|
Appearance
|
White crystalline powder
|
|
DNAase/RNAase/Proteases
|
Not detectable
|
|
Assay (titration)
|
Min 99.5%
|
|
Loss on drying
|
Max 0.05%
|
|
pH (5% solution in water)
|
5.9 - 6.4
|
|
Other amino acids
|
Max 0.1%
|
|
Ammonium (NH4)
|
Max 0.02%
|
|
Chloride (Cl)
|
Max 0.004%
|
|
Sulphate (SO4)
|
Max 0.005%
|
|
Arsenic (As)
|
Max 0.0001%
|
|
Iron (Fe)
|
Max 0.003%
|
|
Lead (Pb)
|
Max 0.0005%
|
|
UV absorbance of 1 M solution at
|
|
|
280 nm
|
Max 0.1
|