*2,2',4,4'-Tetrachlorobiphenyl, 35 µg/mL in Isooctane, CAS # 2437-79-8, 1 mL 7028-AA This Certified Reference Material at

This Certified Reference Material at a concentration of 100 µg/mL in Methanol: Water 90:10 is composed of a single analyte

This Certified Reference Material of varied conc in Isooctane is composed of 39 analytes

This Certified Reference Material at a concentration of 2000 µg/mL in Methylene Chloride is composed of a single analyte

This Certified Reference Material of varied concentration by weight is composed of 14 analytes

CAS # 593-45-3

*2,2',4,4'-Tetrachlorobiphenyl, 35 µg/mL in Isooctane, CAS # 2437-79-8, 1 mL 7028-AA This Certified Reference Material atThis Certified Reference Material at a concentration of 35 g mL in Isooctane is composed of a single analyte. It is supplied in a unit of 1 mL and should be stored at an ambient temperature of greater than 5 C. Sonicate before use.