*Praseodymium ICP Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL 12250-Environmental The substrate is a cross-linked

The substrate is a cross-linked matrix containing protein substrate and a dye-protein conjugate

This Certified Reference Material at a concentration of 50 ppm w/w in Transformer oil is composed of a single analyte

This set of Certified Reference Materials is composed of 4 components

This Certified Reference Material of varied concentration by %w/w is composed of 14 analytes

*Praseodymium ICP Standard, 1000 µg/mL in 2-5% Nitric Acid, 100 mL 12250-Environmental The substrate is a cross-linkedThis Certified Reference Material at a concentration of 1000 g mL in 2 5% Nitric acid is composed of a single analyte. It is supplied in a unit of 100 mL and should be stored at an ambient temperature of greater than 5 C.