*ASTM/EPA Gasoline Refinery Internal Standard Mix, Varied conc. by %w/w, 5 x 10 mL 12250-Environmental Buffering is provided by a

Buffering is provided by a sodium-potassium phosphate system

This Certified Reference Material at a concentration of 2000 µg/mL in Methanol is composed of 16 analytes

This Certified Reference Material of varied concentration in Nonane is composed of 17 analytes

This Certified Reference Material at a concentration of 100 µg/mL in Dichloromethane is composed of a single analyte

CAS # 630-01-3

*ASTM/EPA Gasoline Refinery Internal Standard Mix, Varied conc. by %w/w, 5 x 10 mL 12250-Environmental Buffering is provided by aThis Certified Reference Material of varied concentration by %w w is composed of 4 analytes. It is supplied in a unit of 5 x 10 mL and should be stored at an ambient temperature of greater than 5 C.