PRODUCT SPECIFICATIONS Form: Lyophilized powder Activity: Approximately 20,000 units/mg Unit Definition: One unit causes a decrease in absorbance of 0.001 per min at 450 nm, 25°C and pH 7.0 with Micrococcus lysodeikticus as a substrate. Moisture: 6.0% Chloride: 3.2 – 4.2% pH (2%, H2O): 3.0 – 4.0 |