PERFORATED GOGGLES These impact goggles are made from soft vinyl to fit the face comfortably and fit over regular eyeglasses. Per- forations prevent fogging and provide protection from particles while offering a wider view of the work area than traditional impact goggles.

7-1383 Large Goggles $2.25

7-1384 Small Goggles $1.75

7-1050

APRONON Built for durability and protection from everything from natural ma- terials to chemicals the rubberized cloth apron is impermeable and easy to clean. Available in a variety of sizes, it can be used for any activity a science class offers. Great for 5th grade science to col- lege level classes. It is a perfect choice for dissections, college level chemistry, or professional lab work! It is flexible and acid-re- Our alcohol burner is designed for use with any experiment requir- sistant making it a functional classroom must have. Pictured: 7-1050 ing low heat. Almost every science class needs a small heat source. The polished metal alcohol burner is much safer than a burner. 7-1050 Apron Size: 36”x 27” (.47 lb) $7.00 The flame can be easily adjusted by rotating the ratcheted wick 7-1051 Apron Size: 42”x 27” (.56 lb) $8.00 control wheel. The air cap is securely attached to the burner by a matching polished chain. 4-1/2” x 3” x 4-1/2”; .5 lb;150ml Capacity. 7-1052 Apron Size: 42”x 36” (.67 lb) $9.25 7-000-104 Alcohol Burner $15.25 7-1053 Apron Size: 46”x 36” (.77 lb) $10.75 7-000-104WC Alcohol Lamp Replacement Wicks, pk/10 $4.00

ECONOMYECO This is an economically priced adjustable Bunsen burner. The 3” base is constructed of heavy duty cast iron which provides an extra measure of stability and safety. Height: 5.75”

7-1394 Economy Bunsen Burner $11.65

TWO WAY BURNER STAND The stand is ideal for use with our alcohol burner. The base is made from 3/16” stainless steel rod with a plated steel mesh top. Stand can be used in either high or low positions.

7-1372 Two Way Burner Stand $5.25 LABWARE

48 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 49 $14.25 $35.45 $14.85 $22.65 $44.20 $13.75 $14.25 $22.50 $47.75 $32.20 $16.05 $155.75 $160.00 $180.00 $348.60

PS) $210.00

UND, CA W/ PPER ASSEMBLIES)PPER PPER ASSEMBLIES)PPER ON RO 7-406-6 BOST ARE, DRO W/ UND, DRO W/ TTLES TTLES ( TTLES QU 1oz., 20/400; 12 pieces 1 oz. 18/400 w/ Dropper; 12 pieces 4oz., 20/400; 12 pieces 8oz., 28/400; 12 pieces 16oz., 28/400; 12 pieces 32oz., 33/400; 12 pieces 1/2oz., 18/400; 12 pieces 1/2oz., 18/400; 144 pieces 1oz., 20/400; 12 pieces 1oz., 20/400; 144 pieces 2oz., 20/400; 12 pieces 2oz., 20/400; 144 pieces 8oz., 28/400; 12 pieces 4oz., 22/400; 12 pieces 4oz., 22/400; 144 pieces ON RO BOST 7-406-6-GR 1 oz. 18/400 w/ Dropper; 144 pieces 7-406-6-GR 7-408-1-DZ AMBER BO (FRENCH S Flint Bottles with High quality and durable, the French Square 1oz is non-porous droppers have countless classroom uses. The glass allowing for easy cleaning or autoclaving. 7-406-6-DZ AMBER BO High quality and durable, the Amber Flint Bottles with caps have countless classroom uses. The glass is non-porous al- lowing for easy cleaning or autoclaving. 7-408-3-DZ 7-408-4-DZ 7-408-5-DZ 7-408-6-DZ AMBER BO ( the Boston Round Amber Flint Bottles with High quality and durable, classroom uses. The glass is non-porous droppers have countless or autoclaving. allowing for easy cleaning 7-405-2-DZ 7-405-2-GR 7-405-3-DZ 7-405-3-GR 7-405-4-DZ 7-405-4-GR 7-405-5-DZ 7-405-6-DZ 7-405-6-GR $2.00 $31.95 $27.00 $24.80 $22.50 $22.50 $18.00 $25.25 $14.95 $14.95 $20.25 $13.50 $510.30 $219.90 $219.90 $156.50 $156.50 $150.10 $362.95

$36.95 $36.95 $44.70 $195.00 $250.85 $250.85 PPER ASSEMBLIES) ASSEMBLIES)PPER PPER PPER ASSEMBLIES)PPER O PS) R

D ARE DRO W/ UND, DRO W/ UND, W/ UND, CA W/ TTLES TTLES QU RO 32 oz., 33/400; 12 pieces 32 oz., 33/400; 144 pieces TTLES TTLES 16 oz., 28/400; 12 pieces 8 oz. 24/400; 12 pieces 2 oz., 20/400; 144 pieces 2 oz., 20/400; 144 pieces 4 oz., 22/400; 12 pieces 2 oz., 20/400; 12 pieces 2 oz., 20/400; 12 pieces 2 oz., 20/400; 12 pieces 1 oz., 20/400; 144 pieces 1 oz., 20/400; 144 pieces 1 oz., 20/400; 144 pieces 1oz., 24/400: 12 pieces 8 oz., 43/40, w/out dropper 1 oz., 20/400; 12 pieces 1 oz., 20/400; 12 pieces 1/2oz., 20/400; 12 pieces 2oz., 28/400; 144 pieces 1oz., 24/400; 144 pieces BO N

ON RO O ON RO ST LINT F 7-406-3-GR 7-406-3-GR 1oz., 24/400; 144 pieces 7-406-21-DZ 2oz., 28/400; 12 pieces 7-406-21-DZ 2oz., 28/400; 12 pieces FLINT BO

BOST BO BOST 7-409-6-GR 7-409-6-DZ 7-409-5-DZ 7-409-4-DZ 7-409-8-GR 7-409-8-GR 7-409-3-DZ 7-409-8-DZ 7-409-8-DZ 7-409-2-DZ 7-409-7-GR 7-409-7-GR 7-409-1-GR 7-406-3-DZ 7-406-2-GR 1/2oz., 20/400: 144 pieces 7-209-7B ( easy cleaning or autoclaving. 7-409-7-DZ 7-409-7-DZ ( High quality High quality and and durable, durable, the the BostonBoston Round Flint Bottles with droppersRound Flint Bottles with droppers have countless classroom uses. The glass is non-porous allowing forhave countless classroom uses. The glass is non-porous allowing for easy cleaning or autoclaving. FLINT BO ( High quality and durable, the Boston Round Flint Bottles with capshave countless classroom uses. The glass is non-porous allowing for easy cleaning or autoclaving. 7-409-1-DZ 1 oz, 20/400; 12 pieces High quality and durable, the French Square Flint Bottles w/ drop- High quality and durable, uses. The pers have countless classroom glass is non-porous allow- ing for easy cleaning or autoclaving. 7-406-2-DZ FLINT BO (FRENCH S • Bottles 7-406-21-GR ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM • Bottles

FLINT (WIDE MOUTH, REAGENT BOTTLE) COBALT BLUE BOTTLES Reagent bottles are used for a variety of lab applications such as (W/ DROPPER ASSEMBLIES) storage of chemicals, solutions, solvents, etc.

These Boston Round Cobalt Blue dropping bottles are a necessity 7-411-5 60ml; ea $1.75 in any lab for dispensing indicator stains or prepared reagents. The dropper assembly threads onto the bottle sealing in the contents. 7-411-6 125ml; ea $2.10

7-413-01-DZ 1 oz; 12 pieces $21.20 7-411-7 250ml; ea $2.95

7-413-02-DZ 2 oz; 12 pieces $23.40 7-411-8 500ml; ea $4.75

7-413-03-DZ 4 oz; 12 pieces $32.75 7-411-9 1000ml; ea $5.75

DROPPING BOTTLE (W/ GROUND GLASS JOINT & ) BARNES BOTTLES (W/ STRAIGHT DROPPER) These dropping bottle w/ ground glass can be used in your lab to dispense indicators, stains or prepared reagents. The pipette This square shaped flint glass bottle with a straight glass pipet and a is designed to deliver a .05 ml drop. The bulb is removable and re- red rubber bulb stopper. The stopper and pipet hold 1.5 mL. Great for placeable. storing a variety of chemical reagants. 30 ml = 1 oz.

7-404 30ml; ea $1.40 7-207-DZ 30ml; 12 pieces $14.80

7-404-GR 30ml; 144 pieces $189.10 7-207-36 30ml; 36 pieces $36.50

7-404-1 60ml; ea $2.10 7-207 30ml; 144 pieces $141.40

WEIGHING BOTTLES Weighing bottles are round, clear glass, and come with stoppers.

7-413-1 10ml; 25 x 40mm; ea $1.70

7-413-2 20ml; 30 x 50mm; ea $2.00

LID COLORS MAY VARY SPECIMEN JARS (FLINT, WIDE MOUTH W/ PLASTIC CAPS) Flint glass is known for its optical qualities of light transmission and SPECIFIC GRAVITY BOTTLES chemical resistance making them perfect for lab use. Specific gravity bottles, uncalibrated w/ ground glass 7-410-2 53/400, 2 oz. $3.90 topper, 25 ml

7-410-4 70/400, 8 oz. $4.30 7-412-2 Specific Gravity Bottles $3.95

7-410-5 89/400, 16 oz. $5.00

7-410-6 89/400, 32 oz. $5.95 LABWARE

50 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 51 $3.70 $2.55 $9.25 $5.10 $32.50 $32.00 $36.00 $34.50 $30.00 $29.50 $39.00 $38.00 $41.25 $39.00 $205.00 $219.00 $251.00 $189.00 $189.00 7-767-1 7-210-2-DZ 7-1300-6A 7-1300-4A Z D PPERS IGHT A 7-210-1- ULBS ENT TR 4”; Straight Glass; 144/pk 3”; Straight Plastic; 144/pk 3”; Straight Glass; 12 pks of 12 3”; Straight Glass; 144/pk 3-1/2”; Straight Glass; 144/pk 3-1/2”; Straight Glass; 12 pks of 12 3-1/2”; Bent Glass; 144/pk 3-1/2”; Bent Glass; 1,000/pk 3”; Straight Glass; 1,000/pk 3-1/2”; Bent Glass; 12 pks of 12 Black, 1 oz.; ea Z PPER B PPER STIC A EDICINE DRO 7-1300-5B 3”; Straight Glass; 1,000/pk 7-1300-5B 7-1300-5B

7-210-0-D 7-1300-11 7-1300-11B 4”; Straight Glass; 1,000/pk GLASS - B 7-1300-10A pks of 12 4”; Straight Glass; 12 M come in in either plastic or glass these medicine droppers Available to best suit your needs. a variety of sizes and quantities PL 7-1300-12A 3”; Straight Plastic; 12 pks of 12 7-1300-13 7-1300-13B 3”; Straight Plastic; 1,000/pk GLASS - S 7-1300-4A 7-1300-5 7-1300-9 7-1300-8A 7-1300-7 7-1300-7B 7-1300-6A DRO Bulbs may be used with droppers or pipettes. 7-210-0-DZ Red, Barnes Bulb; 12 pieces 7-210-1-DZ Black; 1ml Capacity; 12 pieces 7-210-2-DZ Black; 5ml Capacity; 12 pieces 7-767-1 $4.50 $7.10 $5.00 $4.65 $6.00 $9.55 $7.25 $9.00 $90.95 $29.25 $48.45 $48.25 $58.25 $88.55 $77.65 $5.00 $4.25 $52.25 TTLES 7-207-1 7-207-2 PPERS 18/400 7 x 60 mm, 1/2oz; 12 pieces 18/400 7 x 60 mm, 1/2oz; 12 pieces 28/400 7 x 130 mm, 8oz; 12 pieces 18/400 7 x 60 mm, 1/2oz; 144 pieces 18/400 7 x 60 mm, 1/2oz; 144 18/400 7 x 75 mm, 1oz; 12 pieces 20/400 7 x 76 mm, 1oz; 12 pieces 20/400 7 X 76 mm, 1oz; 144 pieces 20/400 7 X 89 mm, 2oz; 144 pieces 22/400 7 x 108 mm, 4oz; 144 pieces 24/400 7 x 75 mm, 1oz; 144 pieces 20/400, 7x60mm, 1/2oz; 12 pieces 20/400 7 X 89 mm, 2oz; 12 pieces 24/400 7 x 75 mm, 1oz; 12 pieces Bent w/ Red Bulb; 12 pieces Straight w/ Red Bulb; 12 pieces RNES DRORNES GLASS DROPPER ASSEMBLIES FOR BO for replacement of worn out parts and Dropper Assemblies allow sizes. The bulbs are made from a syn- come in a variety of common no latex. thetic material which contains 7-407-2-DZ 7-405-5D-DZ 7-407-2-GR 7-407-3-DZ 7-405-3D-DZ 7-405-3D-GR 7-405-4D-GR 7-405-7D-GR 7-407-5-GR 7-405-5D-24-GR 24/400 7 x 130 mm, 8oz; 144 pieces 7-407-4-DZ 7-405-4D-DZ 7-405-7D-DZ pieces 22/400 7 x 108 mm, 4oz; 12 7-407-5-DZ 7-405-5D-24-DZ 24/400 7 x 130 mm, 8oz; 12 pieces • Droppers 7-207-2-GR Bent w/ Red Bulb; 144 pieces 7-207-2-DZ BA Replacement droppers that fit the Ginsberg #7-207 Barnes Bottles 7-207-1-DZ ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM •

BURETTE (BOROSILICATE GLASS W/ (PTFE) STOPCOCK) The high quality borosilicate glass with a stopcock is perfect of students because the stopcock is almost freeze-proof.

7-208-3 25ml Capacity $18.00

7-208-4 50ml Capacity $23.50

7-208-5 100ml Capacity $32.00 7-208-5

BURETTEBURETTE (BOROROSILICATEATE GLASSGLASS W/ GGROUNDROUND GLASSGLASS SSTOTOPCOCK) The straight bore stopcock burette has permanent and accurate graduation lines. Class A.

7-208-10 10ml Capacity $15.00 7-208-10 7-208 25ml Capacity $19.00

7-208-1 50ml Capacity $22.50 7-208-1

7-208-2 100ml Capacity $27.00 7-208-4

AUTOMATIC BURETTES W/ GROUND GLASS STOPCOCKS & CLEAR STORAGE CONTAINER The Automatic Burette has a ground glass stopcock with a clear storage container for storing and dispensing standard solutions. It includes a clear reservoir bottle with a rub- ber stopper; self-leveling burette, which is made of borosilicated glass and is perma- nently graduated; a rubber atomizer bulb; and a connector. It is numbered every 1ml and has .1ml subdivisions.

7-208-20 10ml Capacity $65.35

7-208-21 25ml Capacity $69.25

7-208-20 AUTOMATIC BURETTES W/ GROUND GLASS STOPCOCKS AND AMBER STORAGE CONTAINER (CLOSE-UP TOP VIEW) The Automatic Burette has a ground glass stopcock with an amber storage container for storing and dispensing standard solutions. It includes an amber reservoir bottle with a rubber stopper; self-leveling burette, which is made of borosilicated glass and is per- manently graduated; a rubber atomizer bulb; and a glass tube connector. It is numbered every 1ml and has .1ml subdivisions.

7-208-23 25ml Capacity $70.25 AUTOMATIC BURETTES W/ GROUND GLASS STOPCOCKS (REPLACEMENT TUBE ONLY)

7-208-24 10ml Capacity $36.95

7-208-20 7-208-25 25ml Capacity $40.95

GLASS CONNECTOR Featured above in product #7-208-20

ACRYLIC BURETTE W/ TEFLON STOPCOCK 7-208-2x2 The body of the burette is made of acrylic. The stopcock is teflon. Glass Connector, Bend 2x2, (for Auto Burettes) 50ml capacity. $3.75 7-600-050 Acrylic Burette w/ Teflon Stopcock $20.50 LABWARE

52 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 53 $20.90 $228.55 plug CK O PC CKS . UBES O PC 15ml; 144 pieces EN STO OZ CENTRIFUGE T A borosilicate glass centrifuge tube, with a conical bottom. 7-307-1-GR-DZ 15ml; 12 pieces 7-307-1-GR CKS O ASE AN ALL GLASS STO PC $1.80 $2.30 Submerge the entire barrel and pluguntil in fresh the soda is no longer soda. bubbling. Often Soak the bubbles will work into the joint attempts.several and loosen it. This may take If you’ve tried the soda a few times to no avail, try applying a low level of heat, and applying only a modest amount of pressure. Don’t forget to wear gloves. If the heat doesn’t work,water for a few days. try soaking the burette in $73.35 $75.00 First, clean the stopcock. Then, apply two rings of stopcockstopcock. Be grease careful to avoid around getting grease the in the hole Finally, insert the stopcock into the burette and twist a few times to distribute the grease After soaking, attempt the soda doesn’tprocess work,again. most likelyIf thethis glass surfaces of the and barrel have been fused with a contaminant, and the burette will have to be replaced.

RE STO to maximize product use! Helpful hints G (1) (2) (3) FREEING FR The most common reason for a frozen stopcock is lack of thorough previous cleaning. Once the stopcock is stuck, some options are: (1) (2) (3) (4) MB A 7-BT-500 - AINER 7-BT-500FLNT NT URETTES URETTES IP ASSEMBLY Automatic Burrettes (25ml) w/ Assembly & Container (Clear) Automatic Burrettes (25ml) w/ Assembly & Container (Clear) Automatic Burrettes (25ml) w/ Assembly & Container (Amber) OMATIC B 7-208-31 OMATIC BURETTES BURETTE W/ TIP URETTES Helpful hints to maximize product use! Helpful hints B W/ BURETTE T The burette tip is attached with a synthetic latex tube, and a glass bead inside the tube is used as a valve to control the liq uidflow. The “Bead Valve” used conjunctionin with Burette a tip is a very simple, precise, and effective way of controlling the flow of a liquid. By slightlythe rubber tubing, thesqueezing diameter of the tubing is deformed the and glass beadallows fluid withinto pass. AUT ASSEMBLY & STORAGE CO AUT When using the automatic burrette w/ tip you assembly, will find that the bead valve al- lows control of the flow of liquid thus adding validity to experiments. 7-208-31 7- BT-500FLNT Flint Bottle Reservoir, 500ml, 63/400 7- BT-500FLNT 7-208-34 Amber Bottle Reservoir, 500ml, 53/400 7- BT-500AMB ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM • Burette Clamps • Brushes

BURETTEBURETTE CCLAMPLAMP SINGLESINGLE COATED JAWSJAWS Coated jaws provide a secure grip! With cast aluminum clamp and nickel-plated thumbscrew. The clamp will accept a tubing range of 3/8” to 1-3/8” in diameter.

7-G37 Single - Coated Jaws $5.75

7-G37A Burette Clamp Single - Uncoated Jaws $5.25

TEST TUBE BRUSH It is a good practice to replace your brushes regularly to prevent scratching your glass and plastic products. Find the brush of your choice in either natural or nylon bristles.

7-1025 17mm D. x 50mm L. x 150mm Tl., Natural $6.00/dz

7-1026 25mm D. x 75mm L. x 200mm Tl., Natural $6.55/dz DOUBLE BURETTE CLAMP

7-1027 35mm D. x 75mm L. x 240mm Tl., Natural $8.10/dz This aluminum clamp will hold two burettes or the arm of an Elec- trolysis Apparatus securely. The arm rotates in two directions, front 7-1028 17mm D. x 50mm L. x 150mm Tl., Nylon $6.40/dz to back, and in a 360 degree rotation.

7-1029 25mm D. x 75mm L. x 200mm Tl., Nylon $7.20/dz 7-G80 Double Burette Clamp w/ Plastic Coated Jaws $8.25

7-1030 35mm D. x 75mm L. x 240mm Tl., Nylon $9.20/dz

BLACK BRISTLE CYLINDER & BOTTLE BRUSH

7-1031 Nylon; 2 X 5 X 13, DZ $19.80

7-1032 Black Natural Bristles 51mm D. x 152mm L. x 430mm Tl., DZ $19.00

BLACK BRISTLE BEAKER BRUSH

7-1033 Nylon; 76mm D. x 152mm L. x 330mm Tl., ea $3.00

BRISTLE BURETTE & PIPETTE BRUSH DOUBLE BURETTE CLAMP 7-1036 Nylon; 19mm D. x 92mm L. x 760mm Tl., Burette $1.10/ea Two burettes can be held in a vertical position using the double bu- rette clamp. The jaws are rubber-coated to prevent slippage and will rotate and lock in any position. The clamp will accept a tubing range of 3/8” to 1-3/8” diameter.

7-G86 Double Burette Clamp w/Rotating Jaws $10.00

BEAKER TONGS Beaker tongs are used for handling beakers with a 50-2000ml capac- DOUBLE BBURETTEURETTE CCLALAMP ity. Measure 10” long and have a firm but gentle grip. Holds two burettes from micro to 100ml. Simply compress mecha- 7-G72 Nickel-Plated Steel; Coated Jaws $4.50 nism, insert burette, and release. Constructed of light weight alumi- num with baked-on chemical resistant enamel finish. Unit attaches to standard support rods up to 5/8”.

7-1386 Double Burette Clamp $15.75 LABWARE

54 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 55 $9.75 $5.50 $4.00 $2.75 $2.70 $2.00 $8.00

MP RS A LL ON CLA MPS KS CO XTENSI 7-G106 C-Clamp 6” 7-G104 C-Clamp 4” 7-G103 C-Clamp 3” 7-G50 Hooks Collar 19mm ID 7-G10 C-Clamp 2” E Constructed of cast aluminum. Three cork-lined prongs hold flasks hold will #7-G65 or #7-G39 the as such clamp right-angle A securely. capacity maximum a to open jaws The stand. support a to clamp the of 3”. Overall length 9.5”. (1Ib). 7-G30 Extension Clamp C-CLA C-Clamps come in a variety of sizes and are used to secure items firmly to a workbench or table. They are made of cast ironcorrosion resistant finish. with a HOO lab elements. Great for suspending A versatile support for various among others! pulleys and spring scales, 7-G49 Hooks Collar 13mm ID - $5.55 $5.75 $6.00 $6.00 $6.00 $4.00 G76 7- 56 YPE G 7- OLN T MP MP 33 A G L INC 7- C NGS METER OMETER CLA O Clamp HERMHERM T G78 RUCIBLE TO RUCIBLE T tion. The clamp will hold a standard-size thermometer securely to a tion. The clamp will hold a standard-size thermometer and in diameter, support rod. The clamp will accept rods up to 1/2” will rotate 360 degrees and lock into place. 7-G79 7-G79 Thermometer Clamp A polished aluminum clamp which will rotate and lock into any posi-posi any any into into lock lock and and rotate rotate will will which which clamp clamp aluminum aluminum polished polished A A securely to a tion. The clamp will hold a standard-size thermometer and in diameter, support rod. The clamp will accept rods up to 1/2” will rotate 360 degrees and lock into place. BURETTE CLAMP -”V” - JAW The “V” shaped angle provides a secure grip! The jaws are plastic any position. coated. The aluminum clamp will rotate and lock in 7-G78 Coated Burette Clamp, “V” Jaw, BURETTE CLAMP L Hold burettes securely by making three-contact point! Zinc plated, Can be used with rods up to stamped steel with steel thumbscrew. is 7 1/4”. The distance between the two burettes 3/4” in diameter. 7-G76 Burette Clamp Lincoln Type 7- 7-G33 Nickel Steel; 8” Long Tongs, 7-G56 Stainless Steel; 10” Long Tongs, C The tongs are strong and dependable for carrying or evaporating dishes. The nonbinding joint allows smooth opera- tion. ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM 7-G65

7-G85

RIGHT ANGLE (CAST IRON)

Made of cast iron with an enamel finish and nickel-plated thumb- 7-G81 screw. Adjusts to fit rods up to 5/8” in diameter.

7-G39 Right Angle Clamp Holder, Cast Iron (Not Shown) $2.75

RIGHT ANGLE CLAMP HOLDER (ALUMINUM) 7-G41 Made of cast aluminum with an enamel finish and nickel-plated thumbscrew. Adjusts to fit rods up to 5/8” in diameter. SCREW AND PINCH CLAMPS 7-G65 Right Angle Clamp Holder, Aluminum $4.05 Effectively clamp off hoses and control the flow of solutions! The Mohr’s Pinchcock Clamp easily fits over standard size tubing. The ADJUSTABLE CLAMP HOLDER (ALUMINUM) screw-form Hoffman clamp allows added control by a screw type adjustment which allows more or less air or liquid through. The advantage of the adjustable aluminum clamp holder is that the construction incorporates a swivel that can be adjusted to 360 de- 7-G41 Mohr’s Pinchcock Clamp, 16mm O.D Opening Capacity $.70 grees and locks in place with a nickel plated steel thumbscrew. 7-G81 Brass Hoffman Clamp, 16mm O.D Opening Capacity $1.50 7-G85 Adjustable Clamp Holder, Aluminum $9.50 7-G82 Brass Hoffman Clamp, 19mm O.D Opening Capacity $1.60

• Clamps

STODDARD TYPE TEST TUBE CLAMP Test tube clamps hold fast to test tubes for safe handling. The variety of styles allow for choices in deciding which will be best for each application. The Stoddard type is made from heavy gauge nickel-plated steel wire.

7-G12 Test Tube Clamp Stoddard Type 5” $1.15 7-G12 TEST TUBE CLAMP Test tube clamps hold fast to test tubes for safe handling. The variety of styles allow for choices in deciding which will be best for each application. Made from heavy gauge nickel-plated steel wire, this clamp comes with finger grips.

7-G13 Test Tube Clamp w/ Finger Grips 5” $1.15 7-G13 SEMI MICRO TEST TUBE CLAMP Test tube clamps hold fast to test tubes for safe handling. The variety of styles allow for choices in deciding which will be best for each application. Made from 7-G35 heavy gauge nickel-plated steel wire, this clamp is useful for holding the smallest test tubes.

7-G35 Test Tube Clamp Semi Micro Grips $1.00

STODDARD TYPE TEST TUBE CLAMP

7-G64 Test tube clamps hold fast to test tubes for safe handling. The variety of styles allow for choices in deciding which will be best for each application. The Stoddard type is made from of brass.

7-G64 Test Tube Clamp Stoddard Type 5” $1.40

TEST TUBE CLAMP W/ FINGER GRIP Test tube clamps hold fast to test tubes for safe handling. The variety of styles al- 7-G73 low for choices in deciding which will be best for each application. It is made from brass wire and has a convenient finger grip.

7-G73 Test Tube Clamp w/ Finger Grip 5” $1.75 LABWARE

56 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 57 $1.25 $1.45 $1.55 $1.35 $2.00 $31.50 $13.65 $31.50

7-2020 7-302-13 ORT RINGS UPP NDENSER NDENSER NGLES A ON S ensers RI XTENSI • ConD 7-302-1 300mm Liebig , GRAHAM CO Made from heat resistant borosilicate glass, this condenser is de- signed for efficiency and high-speed condensing. The Graham con- denser has a coil-form inner tube, which increases the surface area. An inlet and outlet tube are sealed to opposite sides of the jacket. 7-302-13 300mm Graham Condenser, LIEBIG CO Made from heat resistant borosilicate glass, this condenser is de- signed for efficiency and high-speed condensing. The Leibig con- denser has a long tube. The inner tube is sealed to the large water- cooling jacket. An inlet and outlet tube are sealed to opposite sides of the jacket. 7-302-9 200mm , CLAY T these clay triangles are made with gal- Made for heating crucibles, prevent premature rusting. They are avail- vanized iron wires to help able in several lengths. 7-2019 1 1/2” Length Clay Triangle, 7-2020 2” Length Clay Triangle, 7-2030 2-1/2” Length Clay Triangle, E doing experiments Extension support rings allow more space when cast steel that require room. They are made of strong, heat-resistant combat rusting. with a tough zinc plating to protect the rings and 7-G110 L 2” Diameter Ring, 10.5” 7-G112 L 4” Diameter Ring, 11.75” $3.50 $4.50 $5.00 $5.50 $7.00 $6.95 $11.50 $11.55 26 G 7-

45 MP G 7- N OO MP ON SP TI A RERS SET/6 GR ORT RING AND CLA A EFL UPP 7-1600-7 Clamp Pendulum PENDULUM CLA Perfect for use on support rods to hang weights and clamps for holding one to three strings Each unit has three screw pendulums! 2” apart. The clamp will fit into rods up to 1/2” in1.5” x 1.5”; .5 lb) diameter. (11” x 7-G45 Support Ring & Clamp 2” O.D. S resis- acid is and breakage resists ring support cast-iron strong The the in thumbscrew The laboratory. any for have must a it making tant clamp locks the ring tightly to a support stand. 7-G46 Support Ring & Clamp 3” O.D. 7-G47 Support Ring & Clamp 4” O.D. 7-G48 Support Ring & Clamp 5” O.D. 7-G44 Support Ring & Clamp 6” O.D. • CORK BO The set of 6 borers ranges in size from 5-13mm. It is made of nickel plated-brass with individual handles and a rod for cleaning. 7-G26 Cork Borers Set/6 7-329 Deflagration Spoon, Stainless Steel D Used in experiments which require students to burn phosphorous, sulfur, or other substances, the stainless steel deflagrating spoon is essential. The handle is positioned at an angle to keep the heat source away from the hand. It is 18”L with a 3/4” diameter bowl and 1/4” depth. ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM SPOT PLATES • The uses of spot plates are many in any standard lab. Often used with wide range paper, the individual spots can hold solu- tions for testing pH. They are a staple for every lab.

7-1875 Polystyrene, 12 depressions; DZ $12.00

7-1876 Porcelain, 6 Depressions; ea $2.50

7-1877 Porcelain, 12 Depressions; ea $3.25

7-200-002

DESICCATORS W/ PORCELAIN PLATE Desiccators allow one to store equipment in a low-humidity atmo- CYLINDERS,CYLINDERS, SINGLESINGLE SCASCALE sphere. The heavy glass desiccators are made from quality an- The single metric scale cylinder has a round base and is made by nealed glass for durability. It includes a glazed porcelain sample Bomex which is a highly respected lab brand. plate with a 4 to 5cm center hole and multiple perimeter holes that is held over the desiccant. For an airtight seal, apply grease to the 7-711LG Single Cylinder, 10ml Capacity, 135mm Approx. Ht $1.95 internal edges of the flange, press the lid on and rotate at least 360 degrees. (Not a vacuum dessicator) 7-712LG Single Cylinder, 25ml Capacity, 140mm Approx. Ht $2.50

7-200-001 Desiccator w/ Porcelain Plate, 200mm I.D. $26.25 7-713LG Single Cylinder, 50ml Capacity, 190mm Approx. Ht $2.90

7-200-002 Desiccator w/ Porcelain Plate, 250mm I.D. $41.25 7-714LG Single Cylinder, 100ml Capacity, 255mm Approx. Ht $3.60 7-715LG Single Cylinder, 250ml Capacity, 330mm Approx. Ht $7.10

7-716LG Single Cylinder, 500ml Capacity, 375mm Approx. Ht $10.80

7-717LG Single Cylinder, 1000ml Capacity, 460mm Approx. Ht $16.90

7-400-2 7-700

DISTILLING APPARAARATUS No two liquids have exactly the same boiling point, therefore, it is possible to separate any mixture of two liquids by raising the tem- perature of the mixture to a point where one of the liquids will boil but the other remains liquid! The comprehensive instruction manual, which comes with the Student Distilling Apparatus, discusses how this process is applied in various industries, such as the oil industry. Contains the following materials: 300mm Leibig Condenser, 50mm diameter Kjeldahl Bulb, 500ml Boiling flask, Cast Iron Base with sup- CYLINDERS, DOUBLE SCALE port rod, clamp, , , and 500ml . 24” x 6-1/4” x 7-3/4”; 8 lb The double metric scale cylinder has a round base and is made by Bomex which is a highly respected lab brand. 7-400-2 Distilling Apparatus $83.75 7-861LG Double Cylinder, 10ml Capacity, 135mm Approx. Ht $2.25 7-400-2-B Kjeldahl Bulb Only $4.65 7-862LG Double Cylinder, 25ml Capacity, 140mm Approx. Ht $2.75 7-400-2-B-1 Kjeldahl Bulb w/ Stoppers $11.95 7-863LG Double Cylinder, 50ml Capacity, 190mm Approx. Ht $3.25 GAS GENERATING BOTTLES 7-864LG Double Cylinder, 100ml Capacity, 255mm Approx. Ht $3.50 The bottle is useful in generating a gas such as hydrogen. Includes a 7-865LG Double Cylinder, 250ml Capacity, 330mm Approx. Ht $7.50 bottle, two-hole rubber stopper, , and a 90 degree angled bent glass tube. 7-866LG Double Cylinder, 500ml Capacity, 375mm Approx. Ht $11.75

7-700 Gas Generating Bottle 250 ml $16.25 7-867LG Double Cylinder, 1000ml Capacity, 460mm Approx. Ht $18.50 LABWARE

58 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 59 $6.00 $6.00 $4.65 $3.75 $2.15 $2.35 $2.40 $2.50 $3.10 $3.75 $2.15 $2.35 $2.50 $12.00 $26.50 25 10 5 2 Capacity MEX Capacity Capacity Capacity Capacity 300500 100 250 1000 2000 600ml 1000ml 50ml 100ml 250ml Beaker, Beaker, Beaker, Beaker, Beaker, RIFFIN, BO RIFFIN, Griffin Griffin Griffin Griffin Griffin 7-712LG7-713LG 120727-714LG 120727-715LG 5 120727-716LG 10 120727-717LG 10 12071Flasks 20 120717-550050 10 507-550100 10 12051 1007-550125 20 12052 50 7-550250 50 20 11970 100 1007-550500 40 12430 250 7-551000 50 13313 500 107-552000 100 1000 20 200 25 50 50 100 100 125 250 500 Graduations Item#Beakers Prime7-440050 7-440100 12410 Start7-440150 124107-440250 10 12410 Increment7-440400 20 12420 End 7-440600 20 12420 107-440800 50 12420 207-441000 50 12550 407-442000 100 12430 50 507-444000 100 12430 80 50Cylinders 100 REC 140 1007-711LG 200 200 100 300 12072 100 500 500 200 700 2 900 500 1800 3500 7-440600 7-440600 Griffin Beaker, 600ml Capacity 7-441000 7-441000 Griffin Beaker, 1000ml Capacity 7-440050 7-440050 Griffin Beaker, 50ml Capacity 7-440100 7-440100 Griffin Beaker, 100ml Capacity 7-440250 7-440250 Griffin Beaker, 250ml Capacity

7-442000 7-444000 Griffin Beaker, 2000ml Capacity Griffin Beaker, 4000ml Capacity BEAKERS - G This is a Bomex Brand Griffin Beaker made of Borosilicate glass. The graduated, low form beakers come in a wide selection of sizes and are a must for classroom lab setups. 7-440800 Griffin Beaker, 800ml Capacity 7-440150 Griffin Beaker, 150ml Capacity 7-440400 Griffin Beaker, 400ml Capacity ON LENT A NSI A XP QUIV 0.1 32.0 ≠ 1.5 560 + 10 2.23 + 0.02 ON E TI SS A ITR GLA EFFICIENT OF E EFFICIENT TE WEIGHT % RT) Borosilicate Clear General MEX PA IMA TY X AR CO ABILITY T 81 2 13 4 Type: Color: UR INE NSTITUENTS: DE: BJ Sio2: Annealed Density – g/cm: APPRO B2O3: Na2O: AL D Al2O3: Principal Use: Softening Point – degrees C.: 820 + 10 Annealing Point – degrees C.: Two-Part Cylinder, 10ml Capacity, 132mm Approx. Ht 10ml Capacity, Cylinder, Two-Part 135mm Approx. Ht 25ml Capacity, Cylinder, $2.00 Two-Part 185mm Approx. Ht 50ml Capacity, Cylinder, $2.60 Two-Part 248mm Approx. Ht 100ml Capacity, Cylinder, $3.10 Two-Part $3.55 R CO Of 0.01 M HC1/1g of glass, max, ml: 20 to 300 degrees C, cm/cm Cx10-7: HEMIC C PROPERTY L PROPERTIES OF BO The Bomex brand glass in is produced a fa- highly automated cility located in Beijing, China. The glass code is is BJTY, which a borosilicate glass type 3.3 as German ASTM Standards. products also meet the Bomex glass specified by ISO 3585. The are its maximum chemical attributes of the glass The primary expansion, and high resistance to resistance, minimal thermal permeation to resistant highly is glass Bomex The shock. thermal organic substances, and halogens, and by acids, salt solutions, is relatively resistant to alkaline solutions. We supply “Bomex” may have to substitute non-branded brand, but at times we glassware. Delivery times are 8-12 weeks if not in stock for all of our glassware. MAJO GLASS CO 7-741LG 7-742LG 7-743LG 7-744LG CYLINDERS (TWO- The two-part cylinder is supplied with a removable stand for added It is made from Borosilicate glass and has a bumper guard stability. to help guard against breakage. ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM FFLASKSLASKS - ERLENMEYER, BOMEX The Bomex Brand Erlenmeyer flasks have a narrow mouth, tooled FLASKS (VOLUMETRIC, W/ FITTED STOPPER) top finish, metric capacity scale, are thick walled and - accommo date a variety of stopper sizes and volumes depending on the flask The volumetric flasks are fitted with a ground glass stopper and are chosen. accurately calibrated for reliable measuring of liquids and solutions. The neck has a single ring graduation mark. Noted on the flask is the 7-550050 Erlenmeyer FFlask,lask, 50ml Capacity, #2 Stopper Size $2.50 flask’s capacity. The glass is clear. Class A.

7-550100 Erlenmeyer FFlask,lask, 100ml Capacity, #3 Stopper Size $2.65 7-396LG , 25ml Capacity $2.70

7-550125 Erlenmeyer FFlask,lask, 125ml Capacity, #4 Stopper Size $3.50 7-396ALG Volumetric Flask, 50ml Capacity $2.85

7-550250 Erlenmeyer FFlask,lask, 250ml Capacity, #6 Stopper Size $4.50 7-396BLG Volumetric Flask, 100ml Capacity $3.40

7-550500 Erlenmeyer FFlask,lask, 500ml Capacity, #6 Stopper Size $6.30 7-396CLG Volumetric Flask, 250ml Capacity $4.70

7-551000 Erlenmeyer Flask, 1000ml Capacity, #9 Stopper Size $10.25 7-396DLG Volumetric Flask, 500ml Capacity $6.10

7-552000 Erlenmeyer FFlask,lask, 2000ml Capacity, #9 Stopper Size $14.25 7-396ELG Volumetric Flask, 1000ml Capacity $10.05

FLASKS - FILTERING, BOMEX The Bomex Brand filtering flasks have a narrow mouth, tooled top finish, and accommodate a variety of stopper sizes and volumes de- FLASKS (BOILING, BOMEX, ROUND BOTTOM) pending on the flask chosen. A filtering flask has an arm to which The Bomex Brand tooled boiling flasks have a round bottom and ac- allows a vacuum to be attached. commodate a variety of stopper sizes and volumes depending on 7-880250 Filtering Flask, 250ml Capacity, #7 Stopper Size $8.50 the flask chosen.

7-880500 Filtering Flask, 500ml Capacity, #8 Stopper Size $13.25 7-660250 Tooled Boiling Flask, 250ml Capacity, #6 Stopper Size $3.45

7-881000 Filtering Flask, 1000ml Capacity, #10 Stopper Size $16.50 7-660500 Tooled Boiling Flask, 500ml Capacity, #6 Stopper Size $4.75 7-661000 Tooled Boiling Flask, 1000ml Capacity, #8 Stopper Size $7.75

FLASKS (BOILING, BOMEX, FLAT BOTTOM) FLASKS (VOLUMETRIC, BOMEX W/ STOPPERS) The Bomex Brand boiling flasks have a flat bottom and accommo- The Bomex Brand volumetric flasks are fitted with a ground plas- date a variety of stopper sizes and volumes depending on the flask tic stopper and are accurately calibrated for reliable measuring of chosen. liquids and solutions. The neck has a single ring graduation mark. Noted on the flask is the flask’s capacity. Class A. 7-770050 Bomex Boiling Flask, 50ml Capacity, #2 Stopper Size $2.65

7-900-050 Volumetric Flask, 50ml Capacity $6.00 7-770100 Bomex Boiling Flask, 100ml Capacity, #3 Stopper Size $3.25

7-900-100 Volumetric Flask, 100ml Capacity $6.50 7-770250 Bomex Boiling Flask, 250ml Capacity, #6 Stopper Size $4.00

7-900-250 Volumetric Flask, 250ml Capacity $7.00 7-770500 Bomex Boiling Flask, 500ml Capacity, #6 Stopper Size $5.75

7-900-1000 Volumetric Flask, 1000ml Capacity $18.50 7 -771000 Bomex Boiling Flask, 1000ml Capacity, #8 Stopper Size $10.25

LABWARE NOT ALL FLASKS INCLUDE STOPPERS. STOPPER SIZES ARE APPROXIMATE.

60 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 61 $1.90 $2.20 $16.10 $15.75 $75.10 $17.25 $21.50 $17.25 $24.20

$29.80 $26.90 $55.95 $34.90 $52.20 ) TED HR)) A Stopper Size #00, 72/pk Stopper Size #1, 72/pk Stopper Size #2, 72/pk Stopper Size: #000, 72/pk Stopper Size: #000, 72/pk Stopper Size #00, 72/pk Stopper Size: #4, 72/pk Stopper Size: #4, 48/pk Stopper Size #000, 72/pk Stopper Size: #000, 72/pk MO DU UBE A $4.75 ILLER ULTURE T ULTURE C do- and cultures growing for classrooms in Used these tubes of lab experiments, ing other types are made of durable plastic. Unmarked; hold ap- 100mm, Pk/250 prox. 10 ml of liquid; 15 X 7-901-6 Culture Tube ASTIC, GR (PL Test Tubes, 16 O.D. x 150mm L., Tubes, Test Test Tubes, 18 O.D. x 150mm L., Tubes, Test Test Tubes, 10 O.D. x 75mm L., Tubes, Test Test Tubes, 15 O.D. x 125mm L., Tubes, Test Test Tubes, 20 O.D. x 150mm L., Tubes, Test 25 O.D. x 150mm L., Tubes, Test Test Tubes, 12 O.D. x 100mm L., Tubes, Test 13 O.D. x 100mm L., Tubes, Test 25 O.D. x 200mm L., Tubes, Test UBES FETY PIPETTE F SA The red rubber safety pipette filler is a bulb-type filler. It control the air re- valves which has three lease, liquid intake, and through either a pensing of liquid the - dis Mohr pipette. The 3 volumetric or on the unit. valves are identified 7-1370 Safety Pipette Filler 7-335LGC 7-336LGC PIPETTES pipettes allow an Low-density polyethylene and disposable plastic inexpensive and sanitary way to measure liquids. 7-5010 3.0ml Capacity w/ 0.50ml Graduations, 500/pk 7-5011 1.0ml Capacity w/ 0.25ml Graduations, 500/pk TEST T The test tube is made of borosilicate glass with a rounded bottom, flared top lip, and appropriate wall thickness. 7-330LGC 7-334LGC 7-337LGC 7-340LGC 7-331LGC 7-332LGC 7-341LGC 7-6105 Measuring Pipette, 5ml Capacity 7-6106 Measuring Pipette, 10ml Capacity PIPETTES (MEASURING ( Measuring/Graduated pipettes, which are of- Calibrated to deliver. the volume ten referred to as Mohr pipettes, are used to measure of liquids. They have a number of marked lines to aid the user in white from the tip measuring. These glass pipettes are graduated in size identification. and have a color coded band at the top for easy $1.20 ) $21.85 $22.00 $28.00 $40.00 CKS) MEX O PC AL, BO STO NIC TEMMED) AL, PTFE RY, CO NIC FUNNELS - GLASS a va- funnels come in The short stemmed and are made of Borosilicate riety of sizes glass. 7-421LG Funnel, 40mm $1.55 7-422LG Funnel, 50mm $2.35 7-424LG Funnel, 75mm $2.95 7-425LG Funnel, 90mm $4.60 7-427LG Funnel, 120mm (SHORT S ARATO EP RY, CO S LG ARATO 7-421 EP UNNELS UNNELS UNNELS ( UNNELS F (S A is most often used in to distin- guish the densities between of 2 different liquids. These are coni- cal shaped, made of Bomex Brand glass, come with a ground glass and a PTFE stopcock which never needs greasing. stopper, 7-850100 Separatory Funnel (w/ PTFE Stopcocks), 100ml Capacity $19.25 7-850250 Funnel (w/ PTFE Stopcocks), 250ml Capacity $24.00 Separatory 7-850500 Separatory Funnel (w/ PTFE Stopcocks), 500ml Capacity $28.75 7-851000 FE Stopcocks), 1000ml Capacity $47.50 Funnel (w/ PT Separatory 7-990100 100ml Capacity Separatory Funnels, 7-990250 250ml Capacity Separatory Funnels, 7-990500 500ml Capacity Separatory Funnels, 7-991000 1000ml Capacity Separatory Funnels, F to distin- A separatory funnel is most often used in laboratories These are conical guish the densities between of 2 different liquids. shaped, made of Bomex Brand glass, and come with a ground glass stopper and stopcock. ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM • laBoratory kits

7-2000-38 7-2000-37

ADVANCED GLASSWARE KIT 95 pieces are included in the advanced Glassware Kit. Includes: ·1 50ml Griffin beaker ·2 250ml Griffin beakers ·1 600ml Griffin beaker ·1 50ml Erlenmeyer flask 7-2000-36 ·2 250ml Erlenmeyer flasks ·1 500ml Erlenmeyer flask ·6 medicine droppers ·6 6” stir rods GGLALASSWAREARE KIT ·1 10ml cylinder If you don’t want to waste time searching for all the essential glass- ·1 100ml cylinder ware pieces you need, here is a 36 piece selection of borosilicate ·1 serological pipette laboratory glassware. Includes: ·12 16 x1 50mm test tubes ·1 50ml Griffin beaker ·1 75mm x 75mm short stem funnel ·2 250ml Griffin beakers ·1 25ml burette with stopcock ·1 600ml Griffin beaker ·1 6” dropping pipette ·1 50ml Erlenmeyer flask ·6 Barnes bottles with droppers ·2 250ml Erlenmeyer flasks ·2 8-oz bottles with droppers assemblies ·1 500ml Erlenmeyer flask ·2 60ml dropping bottles with ground glass pipettes ·6 medicine droppers ·1 100mm ·6·6 6” stir rods ·1 300mm condenser ··11 10ml cylinder ·1 250ml Bomex boiling flask ··11 100ml cylinder ·1 60ml porcelain mortar and pestle ··11 serological pipette ·1 5ml volumetric pipette ··1212 16x150mm test tubes ·1 6 x 300mm thistle tube ·1 75mmx75mm short stem funnel ·1 4” 16” x 8.5” x 6.5”, 3.8 lb ·12 5m 12” long flint glass tubes 7-2000-36 Glassware Kit $85.25 ·12 6mm 12” flint glass tubes ·12 7mm 12” flint glass tubes ·1 250ml Bomex filtering flask LABWARE KIT ·1 250ml volumetric flask ·1 100ml Bomex volumetric boiling flask Contains all the basic professional borosilicate labware and equip- ment for conducting science experiments. The kit contains: ·1 75 x75 mm short stem funnel ·”101 Great Science Experiments” Text (250 pgs.) 30” x 14.5” x 10.5”, 14.4 lb ·1 Rubberized lab apron 7-2000-37 Advanced Glassware Kit $270.00 ·1 Beaker, 100ml-Bomex Brand ·1 Beaker, 250ml-Bomex Brand ·1 Beaker, 400ml-Bomex Brand ·1 Porcelain ·1 Erlenmeyer flask, 250ml-Bomex Brand ·1 Thistle tube, plastic ·1 Safety goggles ·1 , 50ml, Bomex brand ·1 Filtering paper ·12 Medicine droppers ·1 Spatula, stainless steel, 22cm length 7-9001 7-9003 ·1 Sponge 1x3-3/8”, 3-Rubber stoppers, #6, solid 7-9002 ·6 Test tubes 16x150mm ·1 LABORATORY SCISSOR JACKS ·1 Designed for supporting glassware and other lab items at a stable ·1 Test tube clamp, brass and precise height, the scissor jacks can extend to a maximum ·1 Pair of crucible tongs, 1-Pipestem triangle height of 10”. ·1 Burner tripod, cast iron 7-9001 Laboratory Scissor Jacks Black Enamel, Plate Size 6” x 6” $33.80 ·1 Wire gauze square, 4x4” ·1 Crucible, porcelain HF 7-9002 Laboratory Scissor Jacks Black Enamel, Plate Size 8” x 8” $35.00 ·1 Plastic cylinder 100 ml capacity 7-9003 Laboratory Scissor Jacks Stainless Steel, Plate Size 6”x6” $43.00 14.5” x 10” x 8.5”, 7 lb 7-9004 Laboratory Scissor Jacks Stainless Steel, Plate Size 8”x8” $46.00 7-2000-38 Labware Kit $140.00 LABWARE

62 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 63 $4.00 $9.95 $3.60 $385.00

ARE KIT BW CKS UBE RA UBE ANCED LA 7-2205 Rack, 4 Holes x 18mm, & 8 Holes 20mm Tube Plastic Test $4.75 7-2204 Rack, 8 Holes x 16mm Tube Plastic Test 7-2203 Rack w/ Drying Pins, 12 holes x 22mm Tube Test Wooden $5.50 7-2202 Rack w/ Drying Pins, 8 Holes x 22mm Tube Test Wooden $4.00 7-1409 Rack, 12 tube, 2 rows Tube Test Wooden 7-1408 6x26mm 7x20mm, Rack, 13 tube, 2 tier, Tube Test Wooden $7.75 TEST T extra an as act also can that space-savers great are racks tube Test racks plastic, or wooden Whether experiments! during hands of pair hold varying numbers of test tubes. 7-1406 24mm D Rack, 6 tube, 1 row, Tube Test Wooden 7-2000-39 Advanced Labware Kit ADV Easy the “Chemistry titled manual comprehensive a features kit This Way”. The kit contains all the basic materials as but has been expanded to also include: Labware Kit #7-2000-38, our borosilicate ·1 Flat-bottom glass boiling flask, 500ml, Bomex brand ·1 Glass Erlenmeyer flask, 500ml, Bomex brand ·1 Flat bottom boiling flask, 250ml, Bomex brand ·1 Beaker, 400ml, Bomex ·1 Beaker, 150ml, Bomex ·1 Pair of safety goggles ·1 Wooden test tube rack ·1 Burette clamp ·1 Support stand, 4”x6” ·1 Test tube, 16x150mm ·1 Watch glass, 100mm ·2 Wire gauze, 5x5” droppers medicine Glass ·2 ·4 Measuring cups 30cc ·1 Test tube clamp ·3 Glass stir rods, 6” ·1 Stainless steel spatula, 180mm ·1 Single scale cylinder, 50ml Bomex brand ·1 Wood splints, pk/500 ·6 Rubber stoppers, size #0, solid ·3 Rubber stoppers, size #0 ·1-hole ·2 Rubber stoppers, size #0, 2-hole ·2 Rubber stoppers, size #6, solid ·2 Rubber stoppers, size #6, solid ·2 Rubber stoppers, size #6, solid ·1 Support ring and clamp, 3” ·1 Rubberized cloth apron ·4 Pairs of latex gloves 30”x 14” x 10” $120.00 7-2205 7-1408 7-2204 7-2204 7-2204 7-2202 7-1409 ORALAB KIT XPL 7-2000-48 Exploralab Kit E lab program, this is an extremely compre- Designed for an advanced hensive kit. Kit includes: ·1 flat-bottom Bomex brand 500ml glass boiling flask ·1 Bomex brand glass500ml Erlenmeyer flask ·1 flat-bottom Bomex brand 250ml boiling flask ·1 400ml Bomex brand Beaker ·1 150ml Bomex brand Beaker ·1 pair of safety goggles ·1 wooden 8 hole test tube rack ·1 burette clamp ·1 4 x 6” support stand ·1 16x150mm test tube ·1 100mm watch glass ·1 5x5” wire gauze droppers medicine glass ·2 ·1 30cc measuring cups ·1 test tube clamp ·3 6” glass stir rods ·1 180mm stainless steel spatula ·1 50ml Bomex brand singe scale cylinder ·1 package of 500 wood splints ·6 solid rubber size #0 stoppers ·3 1 hole size #0 rubber stoppers ·2 2 hole size #0 rubber stoppers ·2 size #6 solid rubber stoppers ·2 size hole 6 -1 stopper ·2 size #6 2 hole stopper ·1 3” support ring and clamp ·1 rubberized cloth apron ·4 pairs of latex gloves 17” x 16.5” x 6”, 8.8 lb ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM • MeasureMent tools

PRECISION MEASUREMENT SET The 4 piece high quality measurement set is supplied in a high- VERNIER CALIPER impact, reusable, plastic storage container. Includes: 1 micrometer 0-25 x .01mm; 1 Vernier Caliper 150 x .05mm; 1 90 degree knife edge The Vernier Caliper's roller adjustment and locking screw provides square and 1 150mm steel ruler; 12" x 1-1/2" x 4"; 1.65 lb fast, easy, and precise measuring. It is made of steel with a double scales which is calibrated in both English and metric scales. 120mm 7-G83 Precision Measurement Set $70.00 x 0.1mm and 5" x 0.25" measurements; 1" x 3" x8"; .186 lb

7-G34 Vernier Caliper $6.00

MICROMETER PETRI DISHES - PLASTIC This traditional English caliper is used for precise measurements. Petri Dishes are essential lab materials used for growing and study- The body is constructed of brass and features a stainless steel ing cultures. Not sterile. screw adjustment. 25 x 1mm pitch 7-1500-7 Plastic Petri Dishes, 35mm D., pk/20 $3.90 7-G84 Micrometer $13.20 7-1500-8 Plastic Petri Dishes, 50mm D., pk/20 $4.35

7-1500-9 Plastic Petri Dishes, 70mm D., pk/20 $5.00

7-1500-10 Plastic Petri Dishes, 90mm D., pk/20 $5.75

DIGITAL STOPWATCH 7-1500-1 This electronic stopwatch comes with battery and carrying cord. Featured on this stopwatch are hour, minute, second, calendar PETRI DISHES - GLASS display, 24 hour stopwatch, hourly chime, alarm, split time and total time, 12 or 24 hour mode option, and 1/100 second chronograph. Petri Dishes are essential lab materials used for growing and study- ing cultures. Not sterile. 7-1397 Digital Stopwatch $3.30 7-1500-1 Flint Glass , 60x65x15mm $1.25

7-1500-2 Flint Glass Petri Dish, 75x82x15mm $1.45

7-1500-3 Flint Glass Petri Dish, 90x98x18mm $1.85

7-1500-4 Flint Glass Petri Dish, 100x107x20mm $2.10

7-1500-5 Flint Glass Petri Dish, 120x130x25mm $3.10

7-1500-6 Flint Glass Petri Dish, 150x160x30mm $5.15

AGAR Agar is a growth medium used to culture mi- HAND TALLY croorganisms in laboratory situations. 3 grams is enough for 7-13 petri dishes. 10 grams is This hand tally is ideal for various lab applications including taking enough for 20-40 petri dishes. surveys, counting total drops of liquid, blood samples, and perform- ing laboratory inventory. 7-CH001 Agar Powder, 3 Grams $6.00

7-1390 Hand Tally $5.15 7-CH001B AgarPowder, 10 Grams $8.00 LABWARE

64 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 65 $0.70 $1.25 $1.40 $3.25 $10.60 $28.50 $7.80 $0.50 $2.20 $3.55 $6.65 $2.20 $1.20 $2.15 $0.75 EAKERS 7-100-250 RADUATED B YLENE G Beaker, Graduated, 50ml Capacity Graduated, 50ml Capacity Beaker, Beaker, Graduated, 100ml Capacity Graduated, 100ml Capacity Beaker, Cylinder, Single Scale, 10ml Capacity Cylinder, Single Scale, 25ml Capacity Cylinder, Single Scale, 50ml Capacity Cylinder, Graduated, 250ml Capacity Beaker, Graduated, 500ml Capacity Beaker, Graduated, 1000ml Capacity Beaker, (one each shown above) Graduated, Set/5 Beaker, Cylinder, Single Scale, 100ml Capacity Single Scale, 100ml Capacity Cylinder, Cylinder, Single Scale, 250ml Capacity Cylinder, Single Scale, 500ml Capacity Cylinder, Single Scale, 1000ml Capacity Cylinder, Single Scale, 2000ml Capacity Cylinder, OP

PR LY 7-200-100 7-200-100

7-100-050 PO These graduated beakers are molded from tough translucent, poly- propylene and incorporate raised outer graduations for ease of reading. The beakers have a tapered spout, are chemical resistant, and autoclavable. 7-100-100 CYLINDERS - SINGLE SCALE polypropylene and Each cylinder is molded from tough translucent These cylinders incorporates raised graduations for easy reading. are autoclavable and have a broad base for stability. 7-200-010 7-200-025 7-200-050 7-100-250 7-100-500 7-100-1000 7-100-SET 7-200-250 7-200-500 7-200-1000 7-200-2000 $5.25 $4.05 NOTE: Plastic will react to chemicals and chemical mixtures. It is not advisableto store oxidizing agents in plastic labware, as the exposure will eventually affect ways deteriorate. product many can to the productcause Chemicals in the such as changing its color and weight. Polypropolene is autoclavable up to 120 centigrade. degrees UNNELS $1.55 $2.50 $4.00 $6.00 TILITY F Long Stem Funnel, 100mm $0.85 Long Stem Funnel, 75mm $0.65 Long Stem Funnel, 50mm $0.50 NG STEM U 7-300-250 7-700-250 7-400-100 7-400-075 LO Each funnel is smooth walled and molded from chemical resistant polypropylene. Long stemmed with a 60 angle and degree cone external ribs to prevent air lock. 7-400-050 RLENMEYER Erlenmeyer Flask, 500ml Capacity Erlenmeyer Flask, 250ml Capacity Measuring Jugs, 250ml Capacity, ea Measuring Jugs, 250ml Capacity, ea Measuring Jugs, 500ml Capacity, ea Measuring Jugs, 1000ml Capacity, ea Measuring Jugs, 2000ml Capacity, 7-400-050 7-300-500 Made of translucent polypropylene, this cone shaped flask comes with a secure, coarse threaded cap. The flask is autoclavable and leak-proof when the screw cap is tightly closed. 7-300-250 FLASKS - E MEASURING JUGS with raised The measuring jugs are made of molded polypropylene are translucent graduations and a sturdy reinforced handle. They and have good chemical resistance. 7-700-250 7-700-500 7-700-1000 7-700-2000 • polypropylene ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM • pH TEST PAPER

pH test paper is used to determine the acidity or alkalinity of a solution. Using pH test paper provides a quick visual indication of the degree of acidity or alkalinity present in whatever solution is being tested. This is a vital tool for classroom projects or field trips. Our test papers offer a wide variety of pH papers. They are supplied in a clear plastic vial containing 100 3mm x 12mm strips. All include color guides in vial.

-1 -11 -15 -16 -17

7-3000-1 pH Test Paper, Acid Neutral Base $1.60 7-3000-16 pH Test Paper, Red Litmus, pH 6.8-8.1, Base or Alk. $1.30

7-3000-11 pH Test Paper, Cobalt Chloride $1.30 7-3000-17 pH Test Paper, Blue Litmus, pH 4.3-6.8, Acid $1.30

7-3000-15 pH Test Paper, Neutral Litmus $1.30

7-3000-30

WIDEWIDE RANGERANGE PH Wide Range pH test paper is a vital tool for classroom projects and field trips. Our test papers offer a distinct pH reading in the range WIDE RANGE PH INDICATOR KIT of 1-14. Includes a color indicator card for quick visual indication of The kit provides all you need for pH projects and activities. The the degree of acidity or alkalinity present. The strips are supplied in distinct color change for each pH reading is shown from 1 to 14. a clear plastic vial containing 100 3mm X 12mm strips. Contains the following: 1 2 oz. bottle of wide range pH indicator solu- tion, 2 styrene 12-well spot plate, 2 medicine droppers, 2 pH color 7-3000-30 Wide Range pH, Range 1-14 $2.00 comparison card; 1 instruction sheet. 7-3000-31 Teacher Demo Strips, 1" x 9-1/2" $5.50 7-3000-33 Wide Range pH Indicator Kit, Range 1-14 $21.00

7-3000-33-C Wide Range pH Color Chart, 1-14 $0.50

7-3000-33-S Wide Range Solution, 2 oz $13.50

7 -3000-23 PTC PAPER The ability to taste PTC is a hereditary trait and varies with each individual. PTC paper, which is often used when discussing hered- ity in biology classes, is paper soaked with phenol thiocarbamide TOUCH PAPER (SMOKE PAPER) (PTC). The LD50 for PTC is 3.4mg/kg. Such a low LD50 reveals than PTC is a very hazardous substance. The solution to make the taste These 8" x 10" sheets of chemically treated white colored paper are test paper, contains approximately 500ml of PTC per liter of water. suitable for use in igniting certain combustible materials. After ini- Through some very crude arithmetic, we calculate that each strip of tially setting fire to the edge of a touch paper and then blowing out PTC paper would contain approximately 0.3mg of PTC. We estimate the flame, the embers on the sheet continue to glow and smoke. that a student weighing about 110 lb would have to lick (which is 7-3000-27 Touch Paper (Smoke Paper), 10 pieces $8.50 how the test is performed) and ingest about 500 2" x 1/4" strips of PTC paper to reach the LD50. You will have to determine if you wish to use 7-3000-28 Touch Paper (Smoke Paper), 12 pieces $9.50 this taste paper in your classroom. Vial of 100.

LABWARE 7-3000-29 Touch Paper (Smoke Paper), 24 pieces $19.00 7-3000-23 PTC Paper $1.30

66 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 67 $0.45 $1.10 $3.35 $5.15 $8.25

$1.30 $1.35 $2.00 $1.40 $2.15 $1.85 $2.35 $2.90 RM 7-525-17-525-1 RCELAIN RCELAIN RCELAIN 60mm x 18mm x 100mm x 30mm Tube dia. 60mm x 18mm x 100mm x 30mm Tube 80mm x 22mm x 130mm x 40mm Tube dia. 80mm x 22mm x 130mm x 40mm Tube 7-318-1 120mm x 30mm x 170mm x 60mm Tube dia. 120mm x 30mm x 170mm x 60mm Tube

7-605-2 7-525-0 Crucibles Lid, for High Form 15ml Funnels, Buchner, Funnels, Buchner, Funnels, Buchner, Evaporating Dish, 35ml, 60mm x 25mm Evaporating Dish, 50ml, 70mm x 28mm Evaporating Dish, 60ml, 74mm x 30mm Evaporating Dish, 75ml, 82mm x 32mm Evaporating Dish, 100ml, 90mm x 35mm Evaporating Dish, 125ml, 98mm x 38mm Evaporating Dish, 150ml, 104mm x 40mm Evaporating Dish, 200ml, 110mm x 44mm Evaporating Dish, 250ml, 120mm x 45mm 50ml Cap. 50mm Rim Dia. x 30mm Bottom Dia. x 30mm H $1.85 50ml Cap. 50mm Rim Dia. x 30mm Bottom Dia. x39 mm H 70ml Cap. 66mm Rim Dia. x 40mm $2.70 OLES HANDLE, W/ PO RATING DISHES, PO PO RUCIBLES LID HIGHRUCIBLES ONLY, FO ASSER VA UNNELS, BUCHNER,UNNELS, PO C 7-312-2 7-605-3 7-605-4 F 7-605-2 E 7-525-0 7-525-1 7-525-8 7-525-2 7-525-9 7-525-3 7-525-4 7-525-5 7-525-6 C is made to withstand high temperatures The porcelain casserole drying ingredients. The handles and spout when used for melting or easy manipulation of the materials being are sturdy and allow for used in the lab experiments. 7-318-1 7-318-2 $3.00 $3.50 $4.25 $2.55 $1.30 $1.00 $1.30 $0.90 $1.00 $0.80 $0.80 $6.75 RM RM W FO 7 -1302-20 7-310-1 7-315-1 RCELAIN RCELAIN, HIGHFO RCELAIN, LO O O ID, P ID, P Crucible w/ Lid, 100ml, 63mm x 34mm x 57mm Crucible w/ Lid, 50ml, 43mm x 28mm x 58mm Crucible w/ Lid, 30ml, 40mm x 25mm x 46mm Crucible w/ Lid, 50ml, 59mm x 28mm x 38mm Crucible w/ Lid, 15ml, 32mm x 20mm x 34mm Crucible w/ Lid, 30ml, 51mm x 25mm x 30mm Crucible w/ Lid, 10ml, 30mm x 20mm x 28mm Crucible w/ Lid, 15ml, 43mm x 19mm x 23mm Mortar & Pestle, Porcelain,160mm, 500ml RTAR AND PESTLE, PO orcelain-Ware The Anchor Brand laboratory porcelain is made from made is laboratory Brand Anchor The porcelain high quality raw materials. The products are uniform and dense, which allows stable mechanical strength and little can pieces glazed the used, When properly permeability. withstand temperatures of 1050°C, while the unglazed pieces can withstand temperatures of 1350°C. W/ L W/ RUCIBLES W/ L W/ RUCIBLES MO 7-1302-20 Mortar & Pestle, Porcelain, 80mm, 60ml 7-1302-21 & Pestle, Porcelain,100mm, 130ml Mortar 7-1302-22 Mortar & Pestle, Porcelain,130mm, 320ml 7-1302-23 • p 7-310-5 7-310-4 7-310-3 7-315-3 7-310-2 7-315-2 C Crucibles are used in laboratory experiments. They come in a variety of sizes and shapes and may come with a lid. They are used with chemical compounds that may be heated to high temperatures. 7-310-1 7-315-1 C come in a variety Crucibles are used in laboratory experiments. They are used with of sizes and shapes and may come with a lid. They temperatures. chemical compounds that may be heated to high ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM • RubbeR StoppeRS

$5.95 LB StoppeR SizeS And MeASuReMentS 7-EC1903-00 Stoppers, 00-Solid

This chart provides an approximate gauge for the top and bottom diameter of the 7-EC1904-0 Stoppers, 0-Solid rubber stoppers as well as the length. 7-EC1904-0-1 Stoppers, 0-1 Hole

7-EC1904-0-2 Stoppers, 0-2 Hole Millimeters 7-EC1905-1 Stoppers, 1-Solid Sizes Top Bottom Length 000 12.7 8.2 21 7-EC1905-1-1 Stoppers, 1-1 Hole 00 15 10 25 7-EC1905-1-2 Stoppers, 1-2 Hole 0 17 13 25 7-EC1906-2 Stoppers, 2-Solid

1 19 14 25 7-EC1906-2-1 Stoppers, 2-1 Hole

2 20 16 25 7-EC1906-2-2 Stoppers, 2-2 Hole

3 24 18 25 7-EC1907-3 Stoppers, 3-Solid 4 26 20 25 7-EC1908-4 Stoppers, 4-Solid 5 27 23 25 7-EC1908-4-1 Stoppers, 4-1 Hole 5-1/2 28 24 25 7-EC1908-4-2 Stoppers, 4-2 Hole 6 32 26 25 7-EC1909-5 Stoppers, 5-Solid 6-1/2 34 27 25 7-EC1909-5-1 Stoppers, 5-1 Hole 7 37 30 25 7-EC1910-5.5-1 Stoppers, 5.5-1 Hole 8 41 33 25 9 45 37 25 7-EC1910-5.5-2 Stoppers, 5.5-2 Hole 10 50 42 25 7-EC1911-6 Stoppers, 6-Solid 11 56 48 25 7-EC1911-6-1 Stoppers, 6-1 Hole

12 64 54 25 7-EC1911-6-2 Stoppers, 6-2 Hole

14 90 75 39 7-EC1913-7 Stoppers, 7-Solid

7-EC1913-7-1 Stoppers, 7-1 Hole

7-EC1913-7-2 Stoppers, 7-2 Hole

7-EC1915-8 Stoppers, 8 Solid

7-EC1915-8-1 Stoppers, 8-1 Hole

7-EC1915-8-2 Stoppers, 8-2 Hole

7-EC1917-9 Stoppers, 9 Solid

7-EC1918-10 Stoppers, 10 Solid

7-EC1919-12-2 Stoppers, 12-2 hole ASSoRted StoppeR Set 7-EC1920-11 Stoppers, 11 Solid Contains 48 stoppers of various size. 7 - 7-EC1904-0, 7 - 7-EC1904-0-1, 6 - 7-EC1906-2, 5 - 7-1906-2-1, 6 - 7-1906-2-2, 5 - 7-1907-3, 6 - 7-1907-3-1, 8 - 7-1913-7-1. 7-EC1920-14 Stoppers, 14 Solid

7-1919 Assorted Stopper Set $12.80 LAbWARe

68 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 69 $0.95 $0.35 $0.45 $0.50 $0.55 $22.00 $22.00 $18.25 $18.25 $13.50 $13.50 $12.00 $12.00 $10.50 $10.50 $12.00 $12.00 $16.00 $16.00 $22.00 $22.00 $0.85

TAND TAND S TANDTAND S ING S R OOP RT ING Stir Rod, 6" Stir Rod, 8" Stir Rod, 10" Stir Rod, 12" R DS PPO PPORT RING S RT U S PPOPPORT RING S U STIR RO 7-1900-6 Our sturdy stands offer strong and dependable support. They are available in both cast iron and stamped steel. Both types are coated with an acid-resistant finish. The rods are nickel- plated steel and are threaded to fit the base. PLASTIC SC uses in a lab environment. Most often they Scoops have a variety of students in several sizes, tool. Available are used as a measuring affective for their activity. can chose the one most 7-1837 Disposable Scoop, 4oz, HDPE, Handle Length 4" 7-1839 Disposable Scoop, 2oz, HDPE, Handle Length 4" 7-1900-8 7-1900-10 7-1900-12 S TEEL SU TEEL TEEL S N O ED R I PEDP S Cast Iron Support Ring Stand, Base 6" x 11", Rod 1/2 x 36" Cast Iron Support Ring Stand, Base 6" x 9", Rod 1/2 x 24" Cast Iron Support Ring Stand, Base 5" x 8", Rod 3/8 x 20" Cast Iron Support Ring Stand, Base 4" x 6", Rod 5/16 x 18" Stamped Steel Support Ring Stand, Base 4"x6", Rod 5/16"x18" Stamped Steel Support Ring Stand, Base 5" x 8", Rod 3/8" x 20" Stamped Steel Support Ring Stand, Base 6" x 9", Rod 1/2" x 24" Stamped Steel Support Ring Stand, Base 6" x 11", Rod 1/2" x 36" Rings, 3" & 4" $21.00 Rings, 3" & 4" $21.00 Stamped Steel Support Ring Stand, Base 4"x6", Rod 5/16"x18", Two Stamped Steel Support Ring Stand, Base 4"x6", Rod 5/16"x18", Two Stamped Steel Support Ring Stand, Base 5"x8", Rod 3/8"x20", Three Rings, 3", 4", & 5" $28.00 Stamped Steel Support Ring Stand, Base 5"x8", Rod 3/8"x20", Three Rings, 3", 4", & 5" $28.00 $2.00 $15.00 AST TAMTAM C S CAST IRON SU S 7-G17 7-G17 Cast Iron Support Ring Stand, Base 6" x 11", Rod 1/2 x 36" 7-G16 7-G16 Cast Iron Support Ring Stand, Base 6" x 9", Rod 1/2 x 24" 7-G15 7-G15 Cast Iron Support Ring Stand, Base 5" x 8", Rod 3/8 x 20" 7-G68 7-G69 7-G87 7-G89 7-G14 7-G14 Cast Iron Support Ring Stand, Base 4" x 6", Rod 5/16 x 18" 7-G66 7-G66 Stamped Steel Support Ring Stand, Base 4"x6", Rod 5/16"x18" 7-G67 7-G89 7-G67 Stamped Steel Support Ring Stand, Base 5" x 8", Rod 3/8" x 20" 7-G68 Stamped Steel Support Ring Stand, Base 6" x 9", Rod 1/2" x 24" 7-G69 Stamped Steel Support Ring Stand, Base 6" x 11", Rod 1/2" x 36" 7-G87 $10.50 7-18367-1836 S coops OOP 66 66 15 15 GG G G 7- tands LICEMAN 7- and s s O Semi-Micro S. S. Spatula, 30 x 9mm Bowl; 45 x 9mm Spat. ;19.8cm L. $2.00 Semi-Micro S. S. Spatula, 30 x 9mm Bowl; 45 x 9mm Spat. ;19.8cm L. $2.25 Semi-Micro S. S. Spatula, 50 x 9mm Bowl; 45 x 9mm Spat. ; 22cm 7-1832 upport upport patulas ATULAS & SC UBBER P UBBER 7-1832 7-1834 7-1835-1 Stainless Steel Scoop, 16.5cm L.; 10/pk SP in a lab environment. of uses a variety Spatulas and scoops have wax, molding tool used with plaster, Most often they are a mixing of their weigh allows for accurate materials, etc. The preciseness chose the in several sizes, students can measurements. Available activity. one most affective for their 7-1836 Scoop (7-1835-1), 13cm L. Handle For Wooden • s 7-1835 Rubber Policeman, 5mm Straight , DZ 7-1835 Rubber Policeman, 5mm Straight Glass Rod, DZ R are used to pre- Used in chemistry experiments, rubber policemen from a glass con- vent scratching glass when removing crystals tainer. • s ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM • support stands and rings

7-G45 7-G110 SUPPORT RING AND CLAMP EXTENSION SUPPORT RING The strong cast-iron support ring resists breakage and is acid resis- tant making it a must have for any laboratory. The thumbscrew in the Extension support rings allow more space when doing experiments clamp locks the ring tightly to a support stand. that require room. They are made of strong, heat-resistant cast steel with a tough zinc plating to protect the rings and combat rusting. 7-G45 Support Ring & Clamp 2" O.D. $3.50 7-G110 Extension Support Ring, 2" Diameter Ring $1.35 7-G46 Support Ring & Clamp 3" O.D. $4.50 7-G112 Extension Support Ring, 4" Diameter Ring $2.00 7-G47 Support Ring & Clamp 4" O.D. $5.00 7-G48 Support Ring & Clamp 5" O.D. $5.50 7-G44 Support Ring & Clamp 6" O.D. $7.00

7-G23

SUS PPORT WITH TRIANGULAR BASE The open triangular base is made of cast iron with a black enamel, acid resistant finish. The removable rod is nickel- plated steel and threaded to fit the base. 7-G23 Support w/ Triangular Base, 6" Legs, Rod 1/2"x36" $23.00 7-G23-24 Support w/ Triangular Base, 5" Legs, Rod 1/2"x24" $21.00

CASTC IRON SUPPORT RING STAND W/ TRIANGULAR BASE BURNER TRIPODS The triangular base is made of cast iron with a black enamel, The cast iron support ring with black enamel, acid resistant finish. The removable rod is nickel-plated acid resistant finish, detachable nickel-plated steel and threaded to fit the base.7-3/4 Legs x 8" Width steel legs provide stable support for laboratory Across Legs, Rod 7/16" x 23" glassware. The legs are angled outward to pro- vide the best stability. 7-G55 Support "A" Base $13.00 7-G51 Burner Tripods, 3" Ring; 6" Legs $6.00

7-G55 7-G52 Burner Tripods, 4" Ring; 9" Legs $7.00

•

-300mm in Length -Single Scale show degrees in Celsius Part No. Immersion Backing C Scale Range F Scale Range Pack Price - Double Scale show degrees in Celsius 7-6200 Total White -10to110 Deg C - Clear $2.35 and Fahrenheit -No-roll sleeve applied to all thermometers 7-6201 76mm White -10 to 110 Deg C - Clear $2.35 -Packing is either a clear triangular 7-6202 Total White -20 to 110 Deg C - Clear $2.35 tube or "value packed" in an opaque tube. 7-6203 76mm White -20 to 110 Deg C - Clear $2.35 Total immersion thermometers are designed 7-6205 76mm White -20 to 150 Deg C - Clear $2.55 with scales which indicate actual temperature 7-6208 Total White -20 to 110 Deg C - Clear $2.50 when the bulb and the entire liquid column are 7-6211 76mm White -20 to 110 Deg C 0 to 230 Deg F Clear $2.75 exposed to the temperature being measured. In practice, a short length of liquid column (usually 7-6212 Total White -20 to 110 Deg C 0 to 230 Deg F Clear $2.85 one-half inch) is permitted to extend above the 7-6402 Total White -20 to 110 Deg C - Opaque $1.25 surface of the liquid being measured to allow reading of the thermometer. 7-6404 Total White -10 to 110 Deg C - Opaque $1.35 7-6405 Partial White -10 to 110 Deg C - Opaque $1.35 Partial immersion thermometers (or noted as 7-6409 Partial Yellow -20 to 110 Deg C 0 to 230 Deg F Opaque $1.60 76mm immersion) should be immersed to the line for correct temperature indication. This line is usually indicated on the thermometer approximately 3 inches from the "bulb" end. LABWARE

70 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM LABWARE 71 $33.50 $10.00 5Ib. 45 35 30 24 20 15 13 Wall mm 1Ib. 60" 60" 9 7 6 4.8 4 3 2.6 1.8 9 1.6 8 1.4 7 UBING 5Ib. 55 45 35 30 25 19 15 10 10 10

5mm ± .206mm ± .20 1.00 ± .05 7mm ± .20 1.05 ± .05 8mm ± .20 1.10 ± .05 10mm ± .20 1.15 ± .05 20mm ± .375 1.20 ± .05 1.40 ± .05 OD Dia. mm 48" 48" 11 9 7 6 3 705˚ Centigrade 522˚ Centigrade 7.8ml <0.01% <0.02% 94.1 UND 30" 18 14 12 10 8 5 5 4 2 3 2 3 2 UBING D 24" 23 18 15 12 10 8 6 4 7 5 4 Lead Oxide: Solbility, ml: Softening Point: Annealing Point:Annealing Consists of a selection of popular tubing sizes in 24" 1Ib. 1Ib. 1Ib. 1Ib. 12" 45 36 29 24 20 15 13 9.4 8.3 7 4 HICKNESS Arsenic and Antimony: ARATUS WEIGHT FLINT TUBING ORTED FLINT T SS Coefficient of Expansion x 10: 5mm 6mm 7mm 8mm 9mm 12mm 14mm 16mm 18mm 20mm WALL T 7-2411-02, 7-2411-03 7-2411-02, 7-2410-01, 7-2412-01, 7-2412-02, 7-2412-03 7-2413-03 7-2413-02, 7-2414-03 7-2414-02, 7-2414-01, 7-2410-03, 7-2415-03 7-2415-02, 7-2415-01, 7-2410-04, 7-2420-03 7-2420-02, 7-2420-01, TUBING PIECES PER PO Please note, the 5 lb packages are normally sold only in combined case quantities. You can combine 6 pkg. assortments of any size to make a case. APP Stock Number A The most commonly used diameters of flint tubing are included in length. All pieces are 24" in that totals 2.5 pounds. this assortment The assortment includes: 12 pcs. of 15mm OD, 11 pcs. of 6mm OD, 4 pcs. of 7mm OD, 3 pcs. of 8mm OD, 3pcs. of 10mm OD and 3 pcs. of 12mm OD. lengths. Packaged in a cardboard box. Sizes 5mm-15 pcs, 6mm- 14 pcs., 7mm-5 pcs., 8mm-4 pcs., 10mm-4pcs., and 12mm-4pcs. 2.90 lb 7-14706 Assorted Flint Tubing FLINT GLASS RO 7- 2400-28-1 5mm, 24" - 1 lb Pk PHYSICALERTIES PROP OF FLINT T $10.50 $45.00 $9.75 $8.75 $17.00 $42.00 ubing UBING ) with lead or potassium. This blend creates 2 UTTER Flint Glass Tubing, 6mm OD X 12" Length, 1 lb Flint Glass Tubing, 8mm OD X 12"Length, 1 lb Flint Glass Tubing, 5mm OD x 24" Length, 1 lb Flint Glass Tubing, $14.00 5mm OD x 48" Length, 5 lb Flint Glass Tubing, 6mm OD x 24" Length, 1 lb Flint Glass Tubing, $11.00 6mm OD x 48" Length, 5 lb Flint Glass Tubing, $45.00 7mm OD x 24" Length, 1 lb Flint Glass Tubing, $12.25 7mm OD x 48" Length, 5 lb Flint Glass Tubing, $40.00 8mm OD x 24" Length, 1 lb Flint Glass Tubing, $18.00 8mm OD x 48" Length, 5 lb Flint Glass Tubing, $55.00 10mm OD x 24" Length, 1 lb Flint Glass Tubing, $11.00 10mm OD x 48" Length, 5 lb Flint Glass Tubing, $50.00 12mm OD x 24" Length, 5 lb Flint Glass Tubing, 12mm OD x 24" Length, 1 lb Flint Glass Tubing, $60.00 12mm OD x 48" Length, 5 lb Flint Glass Tubing, Assorted Pack Flint Glass Tubing $12.00 Glass Tubing Cutter – Single Blade Glass Tubing Flint glass is usually composed of either lead or potassium silicate, which simply means a combination of silicon (SiO dioxide a relatively high refractive index and high degree of light dispersingpower compared to other types of glass. As a result,this blend of glass is characterizedby its brilliance and luminosity. This property makes flint glass especiallydesirable in the production of lenses, optical instruments, prisms, and ornamental glassware.derived from the mid 17th The century process name of grinding "flint" flintstones into a fine powder is from which silica was obtained. transparent... is glass The flint tubing glass flint cutter Our (7-2400) should be used for moreeffective consistent cutting asan alternative to breaking. This cutter is designed for up to 24 mm in diameter glass tubing. 7-2410-01 7-2410-03 7-2411-01 7-2411-02 7-2412-01 7-2412-02 7-2413-01 7-2413-02 7-2414-01 7-2414-02 7-2415-01 7-2415-02 7-2416 7-2416-01 7-2416-02 7-2421 FLINT GLASS T a lower melting Flint glass is also known as soda lime glass. It has than does borosili- point, chemical resistance, and expansion rate weight tubing, cate glass. The tubing listed is known as apparatus see the charts which is a reference to its wall thickness. Please listed below. • Flint glass t TUBING C Made from nickel-plated Cuts glass tubing up to 24mm diameter. steel. 7-2400 ORDER TOLL FREE 1.800.289.9299 OR VISIT OUR WEBSITE: WWW.GINSBERGSCIENTIFIC.COM 7-2300-1

7-203-4

VACUUM PLATE 9" WATCH The 1/2" thick vacuum plate was designed to fit any jar 8-1/2" O.D. or Watch glass has multiple uses in a laboratory. It may be applied as smaller. A rubber gasket is also included. 9" diameter. a jar cover in condensation experiments, a protective lid to prevent contamination by dust particles when using a container, and as an 7-203-4 Vacuum Plate, 9" $32.00 evaporative surface when crystallization or precipitation are being observed. When using Soda-lime watch glass is it important to keep VACUUM PLATE 10.5" it from direct contact with a heat source. Designed specifically to fit any jar 10 inches or smaller. (Not 7-000-106 Watch Glass, Fired Edges, 50mm $0.65 Shown). 7-000-107 Watch Glass, Fired Edges, 65mm $0.70 7-203-7 Vacuum Plate, 10.5" $39.85 7-000-108 Watch Glass, Fired Edges, 75mm $1.00

7-000-109 Watch Glass, Fired Edges, 90mm $1.05

7-000-110 Watch Glass, Fired Edges, 100mm $1.35

7-000-111 Watch Glass, Fired Edges, 115mm $1.30

7-000-112 Watch Glass, Fired Edges, 125mm $1.40 7-4000-1 7-000-113 Watch Glass, Fired Edges, 150mm $1.55

7-000-114 Watch Glass, Fired Edges, 200mm $3.20

7-2300-1 Watch Glass, Soda-Lime; Polished Edges, 45mm $0.60

7-2300-3 Watch Glass, Soda-Lime; Polished Edges, 70mm $0.70

7-2300-4 Watch Glass, Soda-Lime, Polished Edges, 80mm $0.80

7-2300-5 Watch Glass, Soda-Lime; Polished Edges, 90mm $1.00 7-2300-6 Watch Glass, Soda-Lime; Polished Edges, 100mm $1.10

7-4000-5

WIRE GAUZE Like clay triangles are used with crucibles, wire gauze is often used with bunsen burners to aid in the distribution of heat from the flame. The ceramic center helps further keep the heat concentration from directly coming in contact with the container being used. No asbes- tos.

7-4000-1 Wire Gauze w/ Ceramic Center, 4" x 4" $0.80

7-4000-2 Wire Gauze w/ Ceramic Center, 5" x 5" $0.90 WOOD SPLINTS Helpful for demonstrating oxygen's presence and support of com- 7-4000-3 Wire Gauze w/ Ceramic Center, 6" x 6" $1.10 bustion. Also great as applicators and markers in planting. Thin and 7-4000-4 Wire Gauze w/out Ceramic Center, 4" x 4" $0.60 economical. Size 3/16" x 5 1/2 x .040 Thick

7-4000-5 Wire Gauze w/out Ceramic Center, 5" x 5" $0.75 7-2306 Wood Splints Case Quantity, 50 pkgs. of 500 $253.30

7-4000-6 Wire Gauze w/out Ceramic Center, 6" x 6" $0.95 7-2306-PK Wood Splints, pack of 500 $5.05 LABWARE 72