Labjaws Clamps & Supports
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The Magic Motion
The Magic Motion www.wiggens.com Rotary Evaporators Pumps Stirrers Heating Shakers Homogenizers Incubators Gas Generators About WIGGENS Wiggens was established in 2005 with the goal delivering the best laboratory equipment and service for reliable results, since then Wiggens has been producing top-quality general laboratory equipment, our brand Wiggens stands for high quality, durability and remarkable performance. Wiggens is your general laboratory companion and provides products that can be used in all kinds of laboratory environments. The Wiggens product range entails an extensive range of magnetic stirrers, heating mantles and dry baths. Advanced infrared hot plates with integrated stirring functions for an even heat distribution among your solvents are also available, in addition Wiggens also provides overhead stirrers with diverse characteristics to perfectly match the laboratory stirring and blending requirements. A complete range of new products in 2017 including homogenizers of different magnitudes as well as a broad range of shakers, multi-purpose heaters, colony counters. incubators, ovens and shaking incubators for full temperature control. ChemVak is your brand specializing in vacuum technology offering an extensive range of vacuum pumps for all applications, including chemical-resistant diaphragm pumps and oil-free piston pumps, are complemented by vacuum filtration equipment for a wide range of different applications. In addition, water-jet aspirator pumps and bio-suction systems are part of the product range. In 2017, Wiggens launched its whole range gas generators with Vgas product band, the new Vgas product line rounds out our product solutions as a specialist in vacuum and gas related operations. ChemTron is your brand for chemical reaction solutions, Biotron for highly qualified bio-equipment and Vdose specialized in liquid handling pumps, completes the range of brands within the Wiggens family. -
Freezing and Boiling Point Changes
Freezing Point and Boiling Point Changes for Solutions and Solids Lesson Plans and Labs By Ranald Bleakley Physics and Chemistry teacher Weedsport Jnr/Snr High School RET 2 Cornell Center for Materials Research Summer 2005 Freezing Point and Boiling Point Changes for Solutions and Solids Lesson Plans and Labs Summary: Major skills taught: • Predicting changes in freezing and boiling points of water, given type and quantity of solute added. • Solving word problems for changes to boiling points and freezing points of solutions based upon data supplied. • Application of theory to real samples in lab to collect and analyze data. Students will describe the importance to industry of the depression of melting points in solids such as metals and glasses. • Students will describe and discuss the evolution of glass making through the ages and its influence on social evolution. Appropriate grade and level: The following lesson plans and labs are intended for instruction of juniors or seniors enrolled in introductory chemistry and/or physics classes. It is most appropriately taught to students who have a basic understanding of the properties of matter and of solutions. Mathematical calculations are intentionally kept to a minimum in this unit and focus is placed on concepts. The overall intent of the unit is to clarify the relationship between changes to the composition of a mixture and the subsequent changes in the eutectic properties of that mixture. Theme: The lesson plans and labs contained in this unit seek to teach and illustrate the concepts associated with the eutectic of both liquid solutions, and glasses The following people have been of great assistance: Professor Louis Hand Professor of Physics. -
Lab Equipment Do More with OHAUS
Lab Equipment Do More With OHAUS Contents Centrifuges Frontier™ Series ...........................................................................................................................1 Rotors & Accessories .................................................................................................................6 Open Air Shakers Light Duty Orbital Shakers ....................................................................................................25 Extreme Environment Shakers ............................................................................................26 Heavy Duty Orbital Shakers ..................................................................................................27 Rocking & Waving Shakers ....................................................................................................30 Reciprocating Shakers ............................................................................................................32 Incubating & Incubating Cooling Shakers Cooling Thermal Shakers .......................................................................................................33 Light Duty Orbital Shakers ....................................................................................................36 Cooling Orbital Shakers .........................................................................................................37 Rocking & Waving Shakers ....................................................................................................40 Shakers Accessories -
T&S Quality Pet-Care Plumbing Products
JA Pet-CarePre-Rinse Plumbing Units Products T&S Quality Pet-Care Plumbing Products – Our Pedigree is Your Quality Assurance RINSE UNITS Wash and Rinse Products Replacement Parts Model # Description EB-10K Repair Kit 013539-45 Replacement Hose PG-35AV Aluminum Valve PG-4DREV Lighweight Aluminum Spray Unit PG-35AV-CH Coiled Hose and Spray Valve • 4” (102 mm) deck-mount faucet (B-0326-LN) • Lightweight aluminum handle with rubber grip and hold down clip • ½” NPT female eccentric flanged inlets (00AA) • ¼” NPT male inlet • Vacuum breaker outlet • Coiled polyurethane hose with maximum stretching length of 9 ft. • 9 ft. coiled hose and aluminum spray valve • Lightweight spray valve for easy, all-day use PG-35AV-CH01 Same as PG-35AV-CH except with ¾” female garden • Wall hook hose inlet (PG-0001) PG-35AV-CH02 Same as PG-35AV-CH except with ³/8” NPT female PG-1DREV Same as PG-4DREV except single hole inlet (PG-0002) single temperature deck mount faucet with vacuum PG-35AV-CH03 Same as PG-35AV-CH except with ½” NPT female breaker inlet (PG-0003) PG-8DREV Same as PG-4DREV except with 8” centers PG-35AV-CH05 Same as PG-35AV-CH except with ¾” x 14 female inlet (052A) PG-8WSAV-08 Lighweight Aluminum Spray Unit PG-8WREV Lighweight Aluminum Spray Unit • 8” (203 mm) wall-mount faucet • 8” (203 mm) wall-mount faucet • ½” NPT female eccentric flanged inlets (00AA) • ½” NPT female eccentric flanged inlets (00AA) • Vacuum breaker • Vacuum breaker outlet • 9 ft. coiled hose and aluminum spray valve • 9 ft. coiled hose and aluminum spray valve • Swivel adapter • Lightweight spray valve for easy, all-day use • Add-on faucet with 8” swing nozzle and stream regulator outlet • Wall hook • Lightweight spray valve for easy, all-day use • Wall hook PG-1WSAV-06 Same as PG-8WSAV-08 except single hole wall-mount faucet with vacuum breaker, 9 ft. -
Procedures Manual
PROCEDURES MANUAL Created: 02/1992 Revised: 06/1992, 11/1993, 06/1994, 10/1994, 10/1996, 10/1999, 10/2000, 06/2007, 05/2008, 11/2008, 06/2009, 06/2010, 07/2011, 06/2012, 11/2012, 06/2013, 06/2014, 06/2015, 06/2016, 06/2017 1 EBAA Procedures Manual –June 2017 TABLE OF CONTENTS A1.000 Introduction and Purpose ..................................................................................................................... 4 B1.000 Active Membership and Accreditation .................................................................................................. 5 C2.000 Training, Certification, and Continuing Education of Personnel Performing Tasks Overseen and/or Regulated by the EBAA, FDA, and Other State/Federal Agencies .................................................... 6 C3.000 Facilities ................................................................................................................................................. 8 C3.100 Eye Bank Laboratory ............................................................................................................... 8 C3.200 Equipment, Maintenance and Cleaning .................................................................................. 9 C3.300 Instruments, Cleaning and Maintenance ............................................................................. 13 C3.400 Procedures Manual ............................................................................................................... 15 C3.600 Infection Control and Personnel Safety .............................................................................. -
Effluent-Monitoring Procedures: Basic Laboratory Skills. Student
I 1 ' DOCU 4ENT. RESUME 0 ED-147 193 SF 023 381 AUTHOR Engel,. William II;.; And Others TITLE Effluent - Monitoring Procedures: Basic Laboratory Skillt. Student NiTtrence tanual., ,INSTITUTJO Environmental ProtectiOrt Agency; Washington, D.C. : Office of Water Programs. REPORT NO EPA-430-1-77-011 PUB DATE' Oct 77 , 40 NOTE 182p.: forrelated documents; see SE 023 177-34'3 EDRS pRicp 111.40.83 C-$10.03 Plus Postage. DESCRIRTORS 0 Chemistry; Enviionmental Edlicrition; *Instructional:- paterials; *Laboratory Equipment; *Laboratory ,Techniques; Microbiology; *Pollution; Tost Secondary 'Education; Skill Development; *Water Pollution Control IDENTIFIERS *Waste hater Treatment ABSTRACT . This%is one of several shoit-ter courseq developed to'assist in the training of waste water treatment plant operational personnel in the tests, measurements,. and report trepairation required for compliance with their NPDES Permits. This Student Reference Manual provides a review of basid mathematics as it applies to the chemical laboratory, The uge of equipment and solution preparation are- stressed. Additionally, a nodule on basic micrObiologicai, techniques is included. EaCh lesson outlines ,a specific objective, description of the aealysis, and the applicatility,of the procedure. Included in this document, are materials related to determining dissolved oxygen, ph, fecal coliform, water flow, suspended 'solid's, and Chlorine., (CS) IL . .. * Documents acquired by.ERIC include many informal unpuillithed * * materials not available from other sources. ERIC sates evety effort *. * to' obtain the liest,popy available. Nivertheleseeitems of marginal''' * * reproducibility are ofteh encountered and'thit affectt the quality * * of the micOfiche and hardco6 reproductions ERIC lakes available *. * via tht ERIC Docnment Reproduction Service (EDRS). ups is not '*; * responsible for the quality of the original, doeument:Reproductions * * supirplied by EDRS. -
Steam Distillation Manual NC-13223
DIRECTIONS FOR USING 24/40 DISTILLATION APPARATUS, NC-11663 WARNING: For use by adults with knowledge of general laboratory safety procedures. Always wear proper eye and hand protection when handling glass labware and heat! SAFETY FIRST Other items needed (not supplied in kit)... This apparatus uses a heat source (optionally • Heat source such as alcohol, Bunsen, or gas available) to heat the contents of the Boiling Flask. burner. Use caution when handling to prevent burns! • Two pieces of flexible tubing to connect a water Protect eyes and skin from hot gasses and broken supply to the Graham condenser. or chipped glassware. Be sure all components are properly set up ASSEMBLY (Refer to Figure 1). This apparatus is an open Assemble the Lab Support Stand by attaching system so pressure is relieved at the drip end of the support rod to the metal base. Then open wide the condenser. (Make sure you leave a small gap the jaws of the clamp and loosely attach it to the between the drip tip and the receiving flask.) support rod. Material may crystallize in the condenser, which, over time, could block steam causing a dangerous Assemble the tripod base by screwing the three build up of pressure and possible explosion. When legs into the iron ring. Place the Wire Gauze finished with distillation, allow system to cool, then Square and the Boiling Flask on top of the iron drain the condenser of cooling water. Always work ring. with clean glassware. Next, place the Kjeldahl Distilling Column in the Use caution when handling glassware, top of the Boiling Flask, and attach the Graham especially when cleaning. -
Super-Resolution Imaging of the Natural Killer Cell Immunological Synapse on a Glass-Supported Planar Lipid Bilayer
Journal of Visualized Experiments www.jove.com Video Article Super-resolution Imaging of the Natural Killer Cell Immunological Synapse on a Glass-supported Planar Lipid Bilayer Peilin Zheng*1,2, Grant Bertolet*1,2,3, Yuhui Chen1,2, Shengjian Huang1,2, Dongfang Liu1,2,3 1 Center for Human Immunobiology, Texas Children's Hospital 2 Department of Pediatrics, Baylor College of Medicine 3 Department of Pathology and Immunology, Baylor College of Medicine * These authors contributed equally Correspondence to: Dongfang Liu at [email protected] URL: https://www.jove.com/video/52502 DOI: doi:10.3791/52502 Keywords: Immunology, Issue 96, Natural killer cells, immunological synapse, imaging, STED, supported lipid bilayer, super-resolution Date Published: 2/11/2015 Citation: Zheng, P., Bertolet, G., Chen, Y., Huang, S., Liu, D. Super-resolution Imaging of the Natural Killer Cell Immunological Synapse on a Glass- supported Planar Lipid Bilayer. J. Vis. Exp. (96), e52502, doi:10.3791/52502 (2015). Abstract The glass-supported planar lipid bilayer system has been utilized in a variety of disciplines. One of the most useful applications of this technique has been in the study of immunological synapse formation, due to the ability of the glass-supported planar lipid bilayers to mimic the surface of a target cell while forming a horizontal interface. The recent advances in super-resolution imaging have further allowed scientists to better view the fine details of synapse structure. In this study, one of these advanced techniques, stimulated emission depletion (STED), is utilized to study the structure of natural killer (NK) cell synapses on the supported lipid bilayer. -
Laboratory Equipment Used in Filtration
KNOW YOUR LAB EQUIPMENTS Test tube A test tube, also known as a sample tube, is a common piece of laboratory glassware consisting of a finger-like length of glass or clear plastic tubing, open at the top and closed at the bottom. Beakers Beakers are used as containers. They are available in a variety of sizes. Although they often possess volume markings, these are only rough estimates of the liquid volume. The markings are not necessarily accurate. Erlenmeyer flask Erlenmeyer flasks are often used as reaction vessels, particularly in titrations. As with beakers, the volume markings should not be considered accurate. Volumetric flask Volumetric flasks are used to measure and store solutions with a high degree of accuracy. These flasks generally possess a marking near the top that indicates the level at which the volume of the liquid is equal to the volume written on the outside of the flask. These devices are often used when solutions containing dissolved solids of known concentration are needed. Graduated cylinder Graduated cylinders are used to transfer liquids with a moderate degree of accuracy. Pipette Pipettes are used for transferring liquids with a fixed volume and quantity of liquid must be known to a high degree of accuracy. Graduated pipette These Pipettes are calibrated in the factory to release the desired quantity of liquid. Disposable pipette Disposable transfer. These Pipettes are made of plastic and are useful for transferring liquids dropwise. Burette Burettes are devices used typically in analytical, quantitative chemistry applications for measuring liquid solution. Differing from a pipette since the sample quantity delivered is changeable, graduated Burettes are used heavily in titration experiments. -
Download Author Version (PDF)
Chemistry Education Research and Practice Accepted Manuscript This is an Accepted Manuscript, which has been through the Royal Society of Chemistry peer review process and has been accepted for publication. Accepted Manuscripts are published online shortly after acceptance, before technical editing, formatting and proof reading. Using this free service, authors can make their results available to the community, in citable form, before we publish the edited article. We will replace this Accepted Manuscript with the edited and formatted Advance Article as soon as it is available. You can find more information about Accepted Manuscripts in the Information for Authors. Please note that technical editing may introduce minor changes to the text and/or graphics, which may alter content. The journal’s standard Terms & Conditions and the Ethical guidelines still apply. In no event shall the Royal Society of Chemistry be held responsible for any errors or omissions in this Accepted Manuscript or any consequences arising from the use of any information it contains. www.rsc.org/cerp Page 1 of 26 Chemistry Education Research and Practice 1 2 3 4 Video episodes and action cameras in the undergraduate chemistry laboratory: Eliciting 5 6 student perceptions of meaningful learning 7 Kelli R. Galloway and Stacey Lowery Bretz* 8 Department of Chemistry & Biochemistry, Miami University, Oxford, OH, 45056, United States 9 10 Abstract 11 A series of quantitative studies investigated undergraduate students’ perceptions of their cognitive and 12 affective learning in the undergraduate chemistry laboratory. To explore these quantitative findings, a 13 qualitative research protocol was developed to characterize student learning in the undergraduate Manuscript 14 15 chemistry laboratory. -
First Aid & Safety Product and Services Guide
WE DELIVER. WE STOCK. WE MAINTAIN. WE TRAIN. WE MAINTAIN. WE STOCK. WE DELIVER. VISIT CINTAS.COM OR CALL OR 877.973.2811 CINTAS.COM VISIT FIRST AID Cintas First Aid & Safety Product and Services Guide Services and Product Safety & Aid First Cintas May 2021 May Product and Services Guide First Aid & Safety TRAINING EYEWASH AEDs WATERBREAK® SAFETY & PPE FIRST AID We've got you covered Providing first aid & safety supplies to your employees is important to the success of your business. That’s why over 250,000 businesses choose Cintas First Aid & Safety. We are a single source provider for your first aid, safety, training, AED, eyewash and employee hydration needs. Our services can help you keep your employees safe, productive and on the job. Cintas helps you manage the details with personal, van-delivered, onsite service so that the products you've selected are always stocked. We know that being in business is hard and staying in business is even harder. With Cintas, you can focus on what you are good at and let our trained service professionals restock your first aid supplies, maintain your safety and personal protective equipment (PPE) inventory, check your AEDs, offer training and compliance courses of your choice, service your eyewash stations and provide clean, affordable filtered water. Our goal is to help you and your employees get Ready for the Workday®. Contents First Aid .......................................................... 2 Eye relief ...........................................................38 Apparel ............................................................86 -
Appendix A: Laboratory Standard
U.S. Army Corps of Engineers New England District Concord, Massachusetts QUALITY ASSURANCE PROJECT PLAN Volume IIA Appendix A, Continued 29 March 2001 (DCN: GE-021601-AAHM) Revised May 2003 (DCN: GE-022803-ABLZ) Environmental Remediation Contract General Electric (GE)/Housatonic River Project Pittsfield, Massachusetts Contract No. DACW33-00-D-0006 03P-1194-3A SM QUALITY ASSURANCE PROJECT PLAN, FINAL (REVISED 2003) Volume IIA—Appendix A, Continued October 27, 1999 (DCN: GEP2060499-AAIY) Revised May 2003 (DCN: GE-022803-ABLZ) Contract No. DACW33-00-D-0006 Prepared for U.S. ARMY CORPS OF ENGINEERS New England District 696 Virginia Road Concord, MA 01742-2751 Prepared by WESTON SOLUTIONS, INC. One Wall Street Manchester, NH 03101-1501 W.O. No. 20125.257.103.1625 MK01|O:\20125257.103\FINQAPP\QAPP_FIN_VIIA_FM_ALT.DOC 09/18/03 Contract No.: DACW33-00-D-0006 DCN: GE-022803-ABLZ Date: 05/03 Page i of iv TABLE OF CONTENTS—VOLUME IIA, APPENDIX A, CONTINUED APPENDIX A—STANDARD OPERATING PROCEDURES (CONTINUED) Appendix A-42—Standard Operating Procedure for Analysis of Pesticides and PCBs Collected on PUF Cartridges [Air Toxics] Appendix A-43—Standard Operating Procedure for Toxicity Characteristic Leaching Procedure [STL-VT] Appendix A-44—Standard Operating Procedure for Analysis of Chlorinated Pesticides in TCLP Extracts [STL-VT] Appendix A-45—Standard Operating Procedure for Analysis of Herbicides in TCLP Extracts [STL-VT] Appendix A-46—Standard Operating Procedure for Method 6010 TCLP Analysis by Inductively Coupled Plasma Spectroscopy [STL-VT]