Appearance (Colour)
White
Appearance (Form)
Crystalline compound
Solubility (Turbidity) 10% aq. solution
Clear
Solubility (Colour) 10% aq. solution
Colourless
Assay
min. 99.5%
pH (5% aq. solution)
5.0 - 8.0
Water Insoluble matter
max. 0.003%
Chloride (CI)
max. 0.0002%
Iron (Fe)
max. 0.0001%
Heavy Metals (Pb)
max. 0.0001%
Copper (Cu)
max. 0.0001%
Sodium (Na)
max. 0.001%
Potassium (K)
max. 0.001%
Absorbance (A) of 1M aq. solution in a 1cm cell v/s H2O
@260nm
max. 0.1
@280nm
max. 0.1
DNase, RNase, Protease
not detected