Appearance (Colour)
White to off-white
Appearance (Form)
Crystalline powder
Activity
min. 2500 units/mg
Unit Definition
Anson unit: One unit will produce a ΔA at 280 nm of 0.001 per minute at pH 2.0 and 37 °C, measured as TCA soluble products using hemoglobin as a substrate.
Enzyme solution for activity determination
Prepared in 0.1 N HCl