*Method 200.7 Instrument Performance Check, Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid, 100 mL 7052-Method Specific This Certified Reference Material of

This Certified Reference Material of varied concentration in Acetonitrile is composed of 13 analytes

1 mg/mL in Dichloromethane is composed of 3 analytes

and differ only in sodium chloride content and whether they were made with casein hydrolysate or Atholate™

This Certified Reference Material at a concentration of 5 mg/mL in Pyridine is composed of a single analyte

*Method 200.7 Instrument Performance Check, Varied conc. in 2-5% Nitric Acid, tr Hydrofluoric acid, 100 mL 7052-Method Specific This Certified Reference Material ofThis Certified Reference Material of varied concentration in 2 5% Nitric Acid, tr Hydrofluoric acid is composed of 5 analytes. It is supplied in a unit of 100 mL and should be stored at an ambient temperature of greater than 5 C.