*PAH Performance Check Solution, Varied conc. in Acetonitrile, 5 x 1 mL 7008-PCBs PAHs This Certified Reference Material at

This Certified Reference Material at a concentration of 10 µg/mL in 2% Nitric acid is composed of a single analyte

trace elements and growth factors optimized for culturing human esophageal epithelial cell lines

tr Hydrofluoric acid is composed of 13 analytes

This Certified Reference Material at a concentration of 20 ng/µL in Toluene is composed of 7 analytes

This Certified Reference Material at a concentration of 33

*PAH Performance Check Solution, Varied conc. in Acetonitrile, 5 x 1 mL 7008-PCBs PAHs This Certified Reference Material atThis Certified Reference Material of varied concentration in Acetonitrile is composed of 18 analytes. It is supplied in a unit of 5 x 1 mL and should be stored at an ambient temperature of greater than 5 C.