*ASTM/EPA Gasoline Refinery Internal Standard Mix, Varied conc. by %w/w, 10 mL 5350-Chromatography It is supplied as a

It is supplied as a set of 3 x 1 mL and should be stored in the freezer at less than -10 °C

It is supplied as a set of 19 x 1 mL and should be stored at an ambient temperature of greater than 5 °C

This Certified Reference Material at a concentration of 1000 µg/mL in Hexane:Acetone (98:2) is composed of a single analyte

low cost alternative when sterility is not an issue

*ASTM/EPA Gasoline Refinery Internal Standard Mix, Varied conc. by %w/w, 10 mL 5350-Chromatography It is supplied as aThis Certified Reference Material of varied concentration by %w w is composed of 4 analytes. It is supplied in a unit of 10 mL and should be stored at an ambient temperature of greater than 5 C.