*o-Cresol-PFB, 200 µg/mL in Isopropanol, 1 mL 6983-Proficiency Testing 2 mg/mL in Methanol is

2 mg/mL in Methanol is composed of 28 analytes

This Certified Reference Material at a concentration of 1000 µg/mL in 2-5% Nitric acid

02 µg/mL in Ethyl acetate is composed of 33 analytes

1 % w/w in MtBE is composed of 12 analytes

This Certified Reference Material at a concentration of 1000 µg/mL in Acetonitrile is composed of 2 analytes

*o-Cresol-PFB, 200 µg/mL in Isopropanol, 1 mL 6983-Proficiency Testing 2 mg/mL in Methanol isThis Certified Reference Material at a concentration of 200 g mL in Isopropanol is composed of a single analyte. It is supplied in a unit of 1 mL and should be stored at an ambient temperature of greater than 5 C.