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Contact SupplierCharacteristics | High-class | First-class | Qualified |
Sulphur content (S) % ≥ | 99.95 | 99.5 | 99 |
Moisture content % ≤ | 0.1 | 0.5 | 1 |
Ash content % ≤ | 0.03 | 0.1 | 0.2 |
Acidity content (H2SO4)% ≤ | 0.003 | 0.005 | 0.02 |
Organic matter % ≤ | 0.03 | 0.3 | 0.8 |
Arsenic (As) % ≤ | 0.0001 | 0.01 | 0.05 |
Ferrum content (Fe) % ≤ | 0.003 | 0.005 | - |
Store in cool, dry, ventilated area to prevent it from being deliquescent. Separate from acids, acidic materials, oxidizing agents.