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Contact Supplier| Physical Appearance | White Crystalline Powder |
|---|---|
| Assay as SO2% by mass | 65% Min. |
| PH of 10% Solution | 4 to 5.5 |
| Clearity of 10% Solution | Clear |
| Insoluble Matter, | 0.05% Max. |
| Iron ( as Fe) | 10ppm Max. |
| Heavy Metal ( as Pb) | 10ppm Max. |
| Thiosulphate % | 0.1% Max |
| Physical Appearance | White Crystalline Powder |
| Assay as SO2% by mass | 65% Min. |
| PH of 10% Solutionz | 4 to 5.5 |
| Clearity of 10% Solution | Clear |
| Insoluble Matter | 0.05% Max. |
| Iron ( as Fe) | 20ppm Max. |
| Heavy Metal ( as Pb) | 10ppm Max. |
| Thiosulphate % | 0.1% Max. |
| Physical Appearance | White Crystalline Powder |
| Assay as SO2% by mass | 64-65% |
| PH of 10% Solution | 4 to 5.5 |
| Clearity of 10% Solution | Clear |
| Insoluble Matter | 0.05% Max. |