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| Test Clause | Specification | Actual |
|---|---|---|
| Content (Na2S2O5) | 96.0 % Min | 96.56% |
| SO2 | 65.0% Min | 65.11% |
| Iron (Fe) | 0.003% Max | 0.0012% |
| As | 0.0001% | 0.0001% |
| Water Insoluble Matter | 0.05% Max | 0.02% |
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