Appearance (Colour)
White
Appearance (Form)
Crystalline compound
Solubility (Turbidity) 50% aq. solution
Clear
Solubility (Colour) 50% aq. solution
Colourless
Assay (T)
min. 99.5%
pH (5% aq. solution)
5.0 - 6.0
Insoluble matter
max. 0.005%
Residue on ignition
max. 0.005%
Chloride (CI)
max. 0.0005%
Iron (Fe)
max. 0.0001%
Heavy Metals (Pb)
max. 0.0005%
Phosphate (PO4)
max. 0.0005%
Nitrate (NO3)
max. 0.001%
Arsenic (As)
max. 0.00002%
Absorbance (A) of 1M aq. solution in a 1cm cell v/s H2O
@260nm
max. 0.027
@280nm
max. 0.022
DNase, RNase, Protease
Not detected