Specifications |
Appearance |
White crystalline powder |
Assay (Iodmetric) |
95 - 100.5% |
SO2 |
Min 48% |
Identity
|
Passes test |
Appearance of solution |
Passes test |
Thiosulphate (S2O3)
|
Max 0.04% |
Arsenic (As) |
Max 0.0002% |
Heavy metal (as Pb)
|
Max 0.001% |
Iron (Fe) |
Max 0.001% |
Copper (Cu) |
Max 0.0005% |
Selenium (Se) |
Max 0.001% |
Zinc (Zn) |
Max 0.0025% |
|
Packings |
00500 500 g
|
|
01000 1000 g |
|
05000 5000 g
|
|
0025K 25 Kg |
|
0050K 50 Kg |
|
|