|
Item |
index |
|
Main content(Na2S2O5) |
≥98 |
|
Fe(As content Fe) |
≤0.001 |
|
Clarity |
Clear |
|
Water-Insoluble |
≤0.01 |
|
Heavy metal content(Pb) |
≤0.0005 |
|
As content(As) |
≤0.0001 |
|
PH Value |
4.0~4.6 |