*o-Cresol-PFB, 200 µg/mL in Isopropanol, 1 mL 6983-Proficiency Testing This Certified Reference Material at

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

1 mg/mL in Acetonitrile is composed of 2 analytes

This Certified Reference Material at a concentration of 200 µg/mL in PT Methanol is composed of 61 analytes

2 mg/mL in Methanol is composed of 28 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 This Certified Reference Material atThis 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.