|
Appearance
|
Colorless crystals or white crystalline powder
|
|
Assay (titration)
|
Min 99.5%
|
|
Melting point
|
About 116 deg C
|
|
pH (5% solution in water; 20°C)
|
5.0 - 6.5
|
|
Solubility in water at 20°C
|
About 1670 g/L
|
|
DNAase/RNAase/Proteases
|
Not detectable
|
|
Water (by KF)
|
51 - 55%
|
|
Ammonium (NH4)
|
Max 0.002%
|
|
Phosphate (PO4)
|
Max 0.0005%
|
|
Sulphate (SO4)
|
Max 0.002%
|
|
Arsenic (As)
|
Max 0.0001%
|
|
Barium (Ba)
|
Max 0.002%
|
|
Calcium (Ca)
|
Max 0.005%
|
|
Iron (Fe)
|
Max 0.0005%
|
|
Potassium (K)
|
Max 0.001%
|
|
Manganese (Mn)
|
Max 0.0005%
|
|
Sodium (Na)
|
Max 0.001%
|
|
Lead (Pb)
|
Max 0.0005%
|