*M-8270 Calibration Level 2 w/ ISTD, Varied conc. in Methylene chloride, 10 mL 8777-Reagents This Certified Reference Material at

This Certified Reference Material at a concentration of 20 µg/mL in Methanol is composed of 18 analytes

1 mg/mL in Acetonitrile is composed of 12 analytes

It is supplied as a set of 12 x 1 mL and should be stored in the freezer at less than -10 °C

This Certified Reference Material at a concentration of 1000 µg/mL in Hexane:Acetone (80:20) is composed of 6 analytes

*M-8270 Calibration Level 2 w/ ISTD, Varied conc. in Methylene chloride, 10 mL 8777-Reagents This Certified Reference Material atThis Certified Reference Material of varied concentration in Methylene chloride is composed of 83 analytes. It is supplied in a unit of 10 mL and should be stored refrigerated at 0 5 C.