2021 Product Guide
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Experiment 5: Molar Volume of a Gas (Mg + Hcl)
1 CHEM 30A EXPERIMENT 5: MOLAR VOLUME OF A GAS (MG + HCL) Learning Outcomes Upon completion of this lab, the student will be able to: 1) Demonstrate a single replacement reaction. 2) Calculate the molar volume of a gas at STP using experimental data. 3) Calculate the molar mass of a metal using experimental data. Introduction Metals that are above hydrogen in the activity series will displace hydrogen from an acid and produce hydrogen gas. Magnesium is an example of a metal that is more active than hydrogen in the activity series. The reaction between magnesium metal and aqueous hydrochloric acid is an example of a single replacement reaction (a type of redox reaction). The chemical equation for this reaction is shown below: Mg(s) + 2HCl(aq) è MgCl2(aq) + H2(g) Equation 1 When the reaction between the metal and the acid is conducted in a eudiometer, the volume of the hydrogen gas produced can be easily determined. In the experiment described below magnesium metal will be reacted with an excess of hydrochloric acid and the volume of hydrogen gas produced at the experimental conditions will be determined. According to Avogadro’s law, the volume of one mole of any gas at Standard Temperature and Pressure (STP = 273 K and 1 atm) is 22.4 L. Two important Gas Laws are required in order to convert the experimentally determined volume of hydrogen gas to that at STP. 1. Dalton’s law of partial pressures. 2. Combined gas law. Dalton’s Law of Partial Pressures According to Dalton’s law of partial pressures in a mixture of non-reacting gases, the total pressure exerted is equal to the sum of the partial pressures of the individual gases. -
Critical Selection Factors for Thermoplastic Pumps
TECHNICAL Critical selection factors for ARTICLE SERIES thermoplastic pumps ARTICLE # TL-132 INDUSTRY: General ENTITY: Various SOLUTION(S) PUMPED: Various PUMP TYPE(S): CHEM-GARD Horizontal Centrifugal Pump, FLEX-I-LINER Sealless Self-Priming Peristaltic Pumps, Nonmetallic Tank Vanton Pump & Equipment Corp. Pump Systems, SUMP-GARD Thermoplastic Vertical Pump 201 Sweetland Avenue Hillside, NJ 07205 USA Telephone: 908-688-4216 Fax: 908-686-9314 E-Mail: [email protected] www.vanton.com Vanton Pumps (Europe) Ltd Unit 4, Royle Park Royle Street Congleton, Cheshire, UK CW12 1JJ Telephone: 01260 277040 Fax: 01260 280605 www.vantonpump.com Critical selection factors for thermoplastic pumps Reprinted from Chemical Processing Dan Besic, Chief Engineer, Vanton Pump & Equipment Corp. Non-metallics offer broad abrasion and superior corrosion resistance A PVDF impeller in combination with a Although the use of thermoplastic pumps has become so common that lower cost polypropylene casing provided some designs are now being carried on the shelves in distribution a cost-effective, durable pump for stocks, for those applications involving highly corrosive or abrasive handling a corrosive/abrasive fluids, selection of the right pump and the materials of construction hydrofluoric acid glass etchant. should be made with care. A recent article by a group of engineers at Bechtel, San Francisco, CA, states, "Plastic has yet to realize its potential as a material of construction for the chemical process industries. The reason for this under-utilization is a lack of confidence in plastic, usually resulting from its misapplication." Despite the fact that individual thermoplastics can tolerate a broader range of corrosive and abrasive conditions than metals, misapplication is certainly the major reason for pump failure. -
Use of Laboratory Equipement
USE OF LABORATORY EQUIPEMENT C. Laboratory Thermometers Most thermometers are based upon the principle that liquids expand when heated. Most common thermometers use mercury or colored alcohol as the liquid. These thermometers are constructed as that a uniform-diameter capillary tube surmounts a liquid reservoir. To calibrate a thermometer, one defines two reference points, normally the freezing point of water (0°C, 32°F) and the boiling point of water (100°C, 212°F) at 1 tam of pressure (1 tam = 760 mm Hg). Once these points are marked on the capillary, its length is then subdivided into uniform divisions called degrees. There are 100° between these two points on the Celsius (°C, or centigrade) scale and 180° between those two points on the Fahrenheit (°F) scale. °F = 1.8 °C + 32 The Thermometer and Its Calibration This section describes the proper technique for checking the accuracy of your thermometer. These measurements will show how measured temperatures (read from thermometer) compare with true temperatures (the boiling and freezing points of water). The freezing point of water is 0°C; the boiling point depends upon atmospheric pressure but at sea level it is 100°C. Option 1: Place approximately 50 mL of ice in a 250-mL beaker and cover the ice with distilled water. Allow about 15 min for the mixture to come to equilibrium and then measure and record the temperature of the mixture. Theoretically, this temperature is 0°C. Option 2: Set up a 250-mL beaker on a wire gauze and iron ring. Fill the beaker about half full with distilled water. -
Thomas Brand and Labforce Products
Thomas Brand and labForce Products thomassci.com 800.345.2100 [email protected] For Latin Ameríca Thomas Scientic, LLC Family of Companies Phone: +1 786.314.7142 Address: MIAMI, FL 33182 1800 NW 135 Ave # 104 Email: [email protected] Table of Contents Equipment Supplies Balances .......................................................................... Pages 3 - 4 Bottles ............................................................................ Pages 9 -12 Bottle Top Filters ................................................................Page 12 Dry Baths .................................................................................Page 4 Jars .........................................................................................Page 12 Hot Plates/Hot Plate Stirrers .........................................Page 4-5 Jugs ....................................................................................... Page 13 Lab Lifts ...................................................................................Page 5 Microscope Slides/Cover Glass ..............................Page 13 - 14 Petri Dishes ..........................................................................Page 14 Laboratory Seating ...............................................................Page 6 Pipet Tips...................................................................... Page 14 - 15 Microscopes .......................................................................Page 6-7 Plates .....................................................................................Page -
Ear and Forehead Thermometer
Ear and Forehead Thermometer INSTRUCTION MANUAL Item No. 91807 19.PJN174-14_GA-USA_HHD-Ohrthermometer_DSO364_28.07.14 Montag, 28. Juli 2014 14:37:38 USAD TABLE OF CONTENTS No. Topic Page 1.0 Definition of symbols 5 2.0 Application and functionality 6 2.1 Intended use 6 2.2 Field of application 7 3.0 Safety instructions 7 3.1 General safety instructions 7 3.3 Environment for which the DSO 364 device is not suited 9 3.4 Usage by children and adolescents 10 3.5 Information on the application of the device 10 4.0 Questions concerning body temperature 13 4.1 What is body temperature? 13 4.2 Advantages of measuring the body tempera- ture in the ear 14 4.3 Information on measuring the body tempera- ture in the ear 15 5.0 Scope of delivery / contents 16 6.0 Designation of device parts 17 7.0 LCD display 18 8.0 Basic functions 19 8.1 Commissioning of the device 19 8.2 Warning indicator if the body temperature is 21 too high 2 19.PJN174-14_GA-USA_HHD-Ohrthermometer_DSO364_28.07.14 Montag, 28. Juli 2014 14:37:38 TABLE OF CONTENTS USA No. Topic Page 8.3 Backlighting / torch function 21 8.4 Energy saving mode 22 8.5 Setting °Celsius / °Fahrenheit 22 9.0 Display / setting time and date 23 9.1 Display of time and date 23 9.2 Setting time and date 23 10.0 Memory mode 26 11.0 Measuring the temperature in the ear 28 12.0 Measuring the temperature on the forehead 30 13.0 Object temperature measurement 32 14.0 Disposal of the device 33 15.0 Battery change and information concerning batteries 33 16.0 Cleaning and care 36 17.0 “Cleaning” warning indicator 37 18.0 Calibration 38 19.0 Malfunctions 39 20.0 Technical specification 41 21.0 Warranty 44 3 19.PJN174-14_GA-USA_HHD-Ohrthermometer_DSO364_28.07.14 Montag, 28. -
Industrial Peristaltic Pumps BOMBAS BOYSER, S.L
Industrial peristaltic pumps BOMBAS BOYSER, S.L. It is a Spanish company specialised in the manufacture of peristaltic pumps for industrial use. Foun- ded in 1993, the company currently has of one of the most comprehensive ranges of peristaltic pumps in the world, split into four product families and more than twenty different models. We distribute our products all over the world through a network of more than thirty distributors, thus guaranteeing impeccable technical assistance and after-sales service regardless of geographic location. This catalogue offers a general and technical overview of our products. We have a continuous and permanent quality vocation to achieve your satisfaction as client, thanks to an excellent industrial product with which we seek to offer our very best, totally focused on the development and manufacture of the products presented below. Why peristaltic pumps? Operating principle The operating principle of a peristaltic pump is defined by its simplicity and advantages. A tubular element with accurate dimensions manufactured in different types of elastomer or thermoplastic is housed into the pump body. When this tubular element is compressed by the rotary action of the rotor and its corresponding rollers or shoes, quickly recovers its initial form creating a vacuum and subsequently suctioning the fluid. The fluid gets into the cavity formed by the rollers that compress the tube and is driven smoothly towards the outlet by the next roller. Hence, we are dealing with a positive displacement volumetric pump that delivers outstanding features. Main features: • Self-priming up to 9 m.w.c. • Enable to run dry without damage • Seal-less • Reversible rotation system • Abrasion-resistant • Excellent accuracy +/- 1% • Economical and easy-to-maintain • Corrosion-resistant • Easy to clean Some applications: • Slurry, lime milk, filter-press feed, ceramic slip, carbonates, mortar, kaolin, etc. -
Microlab® STAR™
Microlab ® STAR™ Microlab ® STAR ™ AUTOMATED WORKFLOW SOLUTIONS CENTERED AROUND YOUR ASSAY The STAR combines Hamilton's patented pipetting technology including precise lock-and-key tip attachment, unrivaled liquid level detection, and comprehensive volume ranges to create flexible liquid handling workstations. Available in three base platform sizes, the STAR portfolio incorporates countless options to automate your workflows. Hamilton Robotics has also partnered with top leaders in the biotechnology industry to provide Standard Solutions based on commonly automated applications. Offering ready-to-start protocols for a variety of applications such as NGS, ELISA, and forensic assays, our Standard Solutions provide a faster way to automate your processes. 2 1 PATENTED TECHNOLOGY The STAR utilizes Hamilton’s proprietary Compressed O-Ring Expansion (CO-RE®) technology. CO-RE minimizes the production of aerosols and allows disposable tips or washable, steel needles to be used on channels in the same run. 2 MULTI-FUNCTIONAL ARM Our technology offers high pipetting accuracy and precision, from sub-microliter to large volumes, using Independent Channels and/or the Multi-Probe Head (MPH). Labware transportation is possible with the iSWAP® or CO-RE Grippers. The STAR can incorporate a camera, tube transportation, and other channel tools on a single arm. Comprehensive pipetting range: ■■■0.5 μL to 1 mL using the 1 mL Independent Channel ■■■50 μL to 5 mL using the 5 mL Independent Channel ■■■1 μL to 1 mL using the CO-RE 96 MPH ■■■0.1 μL to 50 μL using the CO-RE 384 MPH 3 FLEXIBLE SETUP The high-capacity deck is customized specific to your workflow, accommodating a wide range of labware and automated devices that can easily be exchanged to support multiple assays on one platform. -
Orbital Shaker Benchmarks: Best Practices for Use and Maintenance
APPLICATION NOTE Orbital shaker benchmarks: best practices for use and maintenance Authors: Mary Kay Bates, Senior Global Cell Culture Specialist and Sara Livingston, Global Product Manager, Thermo Fisher Scientific Key words: Orbital shaker, HEPA filter, cleaning, orbit diameter INTRODUCTION Most life science labs have an orbital shaker—often more than one— because these versatile workhorses are used in many applications including chemistry, biochemistry, molecular biology, microbiology, environmental and food sciences, clinical diagnostics, and eukaryotic Figure 1. Orbital shakers are available in a wide variety of sizes and formats. cell culture. Usage extends from basic research all the way up to maintenance schedule. In all cases, for before discarding any packing bioproduction. Shakers come in the manufacturer’s recommendations materials; some small parts can be a wide range of sizes and formats for each model take precedence and accidentally discarded. (Figure 1), including open air, heated, should be followed. or refrigerated. Choosing among Recognize that orbital shakers, these many options can be confusing, INSTALLATION regardless of size, can be heavier than and your application may require a Upon delivery of your new shaker, you may think. Take care when lifting specific shaker style1. inspect the shipping carton and the shaker, ensure you have at least ask the carrier to specify and sign one other person to help you, and that Regardless of the models used, this for any damage on your delivery the shelf or bench designated to hold application note contains valuable receipt, to ensure that any damage the shaker will be strong enough. information which applies to all to the components can be properly orbital shakers. -
CO2 and Mass Chemistry
CSI: Climate Status Investigations-High School CO2 and Mass Chemistry Background: Many students believe that gases like carbon dioxide (CO2) do not have mass. The fact is that atmospheric gases like CO2 and methane (CH4) have a tremendous amount of mass if you consider how much there is of them in our atmosphere. Goal: Students will determine if CO2 and CH4 have mass. Objectives: Students will … Identify that CO2 and CH4 have mass Use chemistry to determine the mass of CO2 and CH4 Learn about the density of CH4(g) Materials (per lab group): 1 - 125ml flask 1 large 12 inch balloon 1 pin (or scissors) 1 microspoon spatula 30g of baking soda 60ml of vinegar 50ml beaker Triple beam balance or similar scale Metal pie tin Safety glasses for each student CO2 and Mass – Data Sheet and Lab Procedure for each student CO2 and mass – CH4 Lab Procedure and Student Sheet for each student 60ml syringe of CH4 from Trapping CO2 lab Large bulb polyethylene transfer pipette Scissors Candle in holder Matches or lighter 3% dish soap solution Safety glasses for each student 2cm length latex tubing Time Required: Two, 45-60 minute periods Standards Met: S1, S2, S3, S6, S7 Procedure: PREP Gather all of the necessary lab materials and run a test lab to be certain of safety procedures. Give each group one lab set-up. Explain that they will be creating CO2 and CH4 in class and using these gases to examine mass and density. 1 The Keystone Center CSI: Climate Status Investigations-High School DAY ONE Review safety procedures with the students. -
Thermo Scientific Solutions Automated Liquid Handling, Detection Model Cat
THERMO SCIENTIFIC AUTOMATED LIQUID HANDLING, DETECTION AND SAMPLE PURIFICATION SOLUTIONS Versette™ RapidStak™ Also available: 96-and 384-channel Automated Microplate • A complete range of 96- and 384-well solid and strip microplates. Automated Liquid Handler Stacker • A complete line of sample storage tubes and equipment. • Total volume range 0.5-300 µl • Works seamlessly with • A complete range of Thermo Scientific manual and electronic • 96- and 384-channel interchangeable the entire Multidrop line of single and multichannel pipettes and tips. pipetting heads dispensers • Laboratory automation solutions for microplate instrument systems. • Compatible with D.A.R.T.sTM tips with • Schedule and automate any unique sealing properties two instruments with the • 6-position stage with compact dual level Thermo ScientificTM PolaraTM RS deck structure software For additional information contact your ™ • User-friendly programming options • Capacity from 30 to 150 plates Thermo Fisher Scientific sales representative or visit: with onboard touch screen or Thermo • Quick and easy setup www.thermoscientific.com/kingfisherinfo ScientificTM ControlMateTM PC software Model Cat. No. www.thermoscientific.com/versette RapidStak F01350 www.thermoscientific.com/multidrop RapidStak 2x F01351 Model Cat. No. www.thermoscientific.com/platereaders 30-Plate Stak Versette F01436 www.thermoscientific.com/wellwash Reference Guide Versette base unit 650-01-BS 50-Plate Stak F01437 www.thermoscientifc.com/ELISAsolutions 96- and 384-channel pipetting module for use with 650-02-NTC Polara RS Inquire 96- and 384-channel pipetting head 6-position stage 650-03-SPS Versette Pipetting Heads Orbitor RS™ 96-channel air displacement pipetting head. 650-06-9630 Volume 0.5-30 µl Automated Microplate Mover • Dedicated plate mover providing 96-channel air displacement pipetting head. -
VIP® Gold for Listeria
VIP® Gold for Listeria AOAC Official Method 997.03 AOAC Performance Tested Method 060801 Part No: 60037-40 (40 tests) General Description VIP® Gold for Listeria is a single-step visual immunoassay for the detection of Listeria in food and environmental samples. Each device contains a proprietary reagent system, which forms a visually apparent antigen-antibody- chromogen complex if Listeria is present. The test is intended for use by laboratory personnel with appropriate microbiology training. Kit Components Each VIP® Gold for Listeria kit contains the following: VIP® Gold for Listeria test devices Equipment / Materials Required Other necessary materials not provided include: Media per Appendix A Autoclave Vortex mixer Analytical balance, tolerance ± 0.2 g Stomacher / Masticator machine Stomacher-type bags with filter or equivalent Incubator capable of maintaining 29–31 °C Water bath capable of maintaining 95–105 °C or equivalent (e.g. autoclave with flowing steam, dry heater) Micropipette(s) capable of delivering 0.1 mL and 1.0 mL Sample Preparation A. Test Portion Preparation & Enrichment Two Step Enrichment Protocol (AOAC OMA 997.03) for meat, poultry, seafood, vegetables, dairy products, eggs, pasta, animal meal, nuts and environmental samples. a. Food samples Add 25 g test portion to 225 mL of modified Fraser Broth with lithium chloride (mFB+LiCl) (Appendix A). Stomach / masticate for 2 min and incubate 28 h (26–30 h) at 30 °C (29–31 °C). b. Environmental samples Add 60 mL of mFB+LiCl to sample bag containing environmental sponge sample. Ensure that the sponge is oriented horizontally in the sample bag. If using a swab, add environmental swab sample to 10 mL of mFB+LiCl. -
Kimberly Clark
The International Sales Department serves customers throughout the world from our home office in Swedesboro, New Jersey. We also have the invaluable support of an extensive network of distributors in most countries, ready to answer your inquiries and provide professional service before and after sale. Specific requirements for voltage and frequency can be handled. Export documentation is given personalized attention and our multi-lingual staff can handle all of your questions or product needs. Through Thomas Scientific Supply Chain Capabilities of you will have access to: Thomas Scientific International • Large product portfolio: • Direct distribution agreements with thousands Instruments and equipment, supplies of manufacturers of laboratory equipment and consumables, chemicals and reagents, and supplies safety products • Experience with reseller support • Access to 1,300 different suppliers and compensation • Products for every market: • Long-standing business relationships Industrial, Life Science, etc. with experienced freight forwarders • Excellent customer service • More than 100 years of experience exporting laboratory supplies and equipment globally • On-time delivery • Experienced with documentation and packing • Responsive Management requirements of hazardous chemicals • Name Brand products • Preparing quotation • Comprehensive website • Process orders • Real time availability and pricing on the web • Preparing export documentation • Fair price • Ability to provide order status • Fully integrated state of the art ERP • INCO terms