*1-Chloro-1,1-difluoroethane (Freon #142b), 0.2 mg/mL in MeOH, CAS # 75-68-3, 1 mL 7031-Physical Properties This Certified Reference Material at

This Certified Reference Material at a concentration of 100 µg/mL in Acetone is composed of 7 analytes

This Certified Reference Material at a concentration of 50 µg/mL in CH2Cl2 is composed of a single analyte

It is supplied in a unit of 5 mg and should be stored in the freezer at less than -10 °C

It is supplied in a unit of 10 mg and should be stored refrigerated at 0-5 °C

2 mg/mL in Acetone is composed of 2 analytes

*1-Chloro-1,1-difluoroethane (Freon #142b), 0.2 mg/mL in MeOH, CAS # 75-68-3, 1 mL 7031-Physical Properties This Certified Reference Material atThis Certified Reference Material at a concentration of 200 g mL in PT Methanol is composed of a single analyte. It is supplied in a unit of 1 mL and should be stored refrigerated at 0 5 C.