ITEM |
STANDARD |
Na2S2o3 % ≥ |
99 |
SULFIDE % ≤ |
0.001 |
WATER INSOLUBLE % ≤ |
0.01 |
IRON % ≤ |
0.002 |
ph |
6.5--9.5 |
ITEM |
STANDARD |
Na2S2o3 % ≥ |
99 |
SULFIDE % ≤ |
0.001 |
WATER INSOLUBLE % ≤ |
0.01 |
IRON % ≤ |
0.002 |
ph |
6.5--9.5 |