Specifications |
Appearance |
A white crystalline powder |
Assay (potentiometric) |
99 - 100.5% |
Identity
|
Passes test |
Appearance of solution |
Passes test |
Impurities with alkaline reaction |
Passes test |
Sulphate (SO4)
|
Max 0.01% |
Iodate (IO3) |
Passes test |
Thiosulphate (S2O3) |
Passes test |
Thiosulphate and barium |
Passes test |
Total nitrogen (N)
|
Max 0.001% |
Heavy metals (as Pb) |
Max 0.001% |
Iron (Fe)
|
Max 0.0005% |
Potassium (K) |
Max 0.05% |
Loss on drying (at 105°C) |
Max 3% |
Water |
Max 2% |
Bromide & chloride (Cl) |
Max 0.03% |
|
Packings |
00100 100 g
|
|
00250 250 g |
|
|