|
Appearance
|
White hygroscopic crystalline powder
|
|
Assay (titration)
|
Min 99%
|
|
DNAase/RNAase/Proteases
|
Not detectable
|
|
pH (5% solution in water; 20°C)
|
8.5 - 9.6
|
|
Water (H2O)
|
Max 0.5%
|
|
Chloride (Cl)
|
Max 0.003%
|
|
Fluoride (F)
|
Max 0.001%
|
|
Sulphate (SO4)
|
Max 0.005%
|
|
Arsenic (As)
|
Max 0.0001%
|
|
Iron (Fe)
|
Max 0.0005%
|
|
Lead (Pb)
|
Max 0.0005%
|
|
Zinc (Zn)
|
Max 0.0025%
|