Ammonium Sulphate N 21 % White Crystals / Granular Mining Chemicals NH4SO4
Specifications:
| Specification | Index | Result |
| Specifications | GB 535-1995 | |
| N, Content | ≥21.0% | 21.6% |
| S, Content | ≥24% | 24.2% |
| H2SO4 | ＜0.03% | 0.01% |
| Fe | ＜0.007% | 0.002 |
| As | ＜0.0005% | 0.0001% |
| Pb | ＜0.005% | 0.0005% |
| Water Insoluble | ＜0.01% | 0.005% |
| H2O | ＜0.5% | 0.07% |
| Appearance | White 0.5-1mm crystals White2-4mm crystals White 2-4mm granuless | 90% |
| Conclusion | Pass |
Description:
1. Product name: Ammonium Sulphate
2. Other Names: sulfate of ammonia, SOA
3. MF: (NH4)2SO4
4. Density: 1.769 g/cm3 (20 °C)
5. Melting point: 235 to 280 °C
6. Solubility in water: 74.4 g/100 mL (20 °C)
7. Critical relative humidity: 79.2% (30 °C)
8. Flash point: Non-flammable
9. CAS No.: 7783-20-2
10. EINECS No.: 231-984-1
11. HS Code:3102210000
Applications:
1. For Mining Chemicals
2. In agriculture, used for nitrogen fertilizer.
3. Raw material of making compound fertilizer.
4. In chemical industry, it is used for raw material in making oxydol, ammonia-alum and ammonium chloride;
5. In welding Industry, used for welding agent;
6. In textile industry, used for fire retardant of textile fabrics;
7. In electroplating industry, used for electrobath additive;
8. Ammonium sulfate can be used for making refractory material;
9. Buffering agent: improves water quality conditions, particularly in hard water.
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