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A p p lica tio n N o te 2 1 1 5 1 The Analysis of Glycerin and Glycerides (ASTM D6584) Peter Morgan Runcorn Cheshire UK Introduction Biodiesel is routinely used to supplement petroleum diesel due to the high cost of crude oil. Several ASTM specifi...

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...

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...