*Volatiles - Mix 2, 50 µg/mL in MeOH, 1 mL 7053-Environmental Protease activity is detected spectrophotometrically

Protease activity is detected spectrophotometrically with increasing optical density proportional to increasing enzyme activity and can detect nanogram quantities

This Certified Reference Material at a concentration of 160 µg/mL in Isopropanol is composed of a single analyte

This Certified Reference Material at a concentration of 1

Athena’s Bovine Pituitary Extract is prepared from BSE-free animals

This Certified Reference Material at a concentration of 1000 µg/mL in 40% Hydrochloric acid is composed of a single analyte

*Volatiles - Mix 2, 50 µg/mL in MeOH, 1 mL 7053-Environmental Protease activity is detected spectrophotometricallyThis Certified Reference Material at a concentration of 50 g mL in Methanol is composed of 10 analytes. It is supplied in a unit of 1 mL and should be stored at an ambient temperature of greater than 5 C.