Ammonium Sulphate
Ammonium Sulphate
Synonyms: Ammonium Sulfate, Diammonium Sulfate
Molecular formula:(NH4)2SO4
Molecular weight:132.13 CAS No.7783-20-2
Property: Ammonium Sulphate is brownish gray to white Crystal, easily soluble in water,aqueous solution appears acid. Specific Gravity 1.77, Easily deliquescent in the air.
Use: Ammonium sulphate is used in a variety of applications including fertilizer, cattle feed,cellulose insulation, leather tanning, herbicides etc.
Specification: (GB535-1995)
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| Index Name | Technical Grade | Agri. Grade1 | Agri.Grade2 |
| Nitrogen(N)(dry basis) ≥ | 21.0 | 21.0 | 20.5 |
| Water content(H2O) ≤ | 0.2 | 0.3 | 1.0 |
| Free acid(H2SO4) ≤ | 0.03 | 0.05 | 0.20 |
| Iron(Fe) ≤ | 0.007 | - | - |
| Arsenic(As) ≤ | 0.00005 | - | - |
| Heavy metal(Pb) ≤ | 0.005 | - | - |
| Water Insolubles≤ | 0.01 | - | - |
Packing: 25kg/50kg pp/pe bags