*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

This Certified Reference Material at a concentration of 1000 µg/mL in 1% Nitric acid is composed of a single analyte

Made of regular wall surgical stainless steel with polypropylene hub

This Certified Reference Material of varied concentration in Methanol is composed of 14 analytes

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

*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.