Tetraethyl-4-tert-butylcalix[4]arene-O,O\',O\'\',O\'\'\'-tetraacetate
Microchem by AlphaTec Chemical Permeation Guide 20
Chemical Permeation Guide What is permeation? Permeation is the process by which a potentially hazardous chemical moves through a material on a molecular level. Molecules of chemical adsorb onto the outer surface of the material. They then enter a...
The ~~STAMP~~ Tubing Selection Guide
The ~~STAMP~~ Tubing Selection Guide The Easier Way to Select Pump Tubing: Just Use ~~STAMP~~ A successful tubing choice results in a system that delivers optimal performance and prevents redesign and troubleshooting later. To make a well-consider...
Fittings Guide to Tubing Connector Types | VWR
Fittings Selection Guide The world of biologics supplies is full of choices. And those choices aren’t merely down to personal preference: each piece must fit with every other as a seamless ecosystem for lab equipment to function properly. At Maste...
Pipe Thread Types and Designations
Pipe Thread Types and Designations Published with permission from Colder Products Company Overview Different types of screw threads have evolved for fastening and hydraulic systems. Of special concern are plastic-to-metal taper/parallel threaded j...
~~azure why you should leave the darkroom~~
Introduction Change is hard. It takes work to adapt to a new technology and to get used to something different. It’s especially hard if you have something that already seems to work. This is a big reason people still use film and darkrooms to proc...
Determination of Pestcide Residues in Red Wine The
1 Determination of Pesticide Residues in Red Wine Using a QuEChERS Sample Preparation Approach and LC-MS/MS Detection Mike Oliver Thermo Scientific Runcorn UK This application presents a fast easy and cost-effective method for the determination of...
Ansell Chemical Glove Resistance Guide Aug 2016
CHEMICAL GLOVE RESISTANCE GUIDE DEFINITION OF KEY TERMS Permeation is a process by which a chemical can pass through a protective film without going through pinholes pores or other visible openings. Individual molecules of the chemical enter the f...