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Ammonium sulfate
Physico-chemical property:
Molecular formula: (NH4)2SO4
Molecular weight: 132.14
The product is colorless semi-transparent crystal or powder. It is soluble in water, insoluble in alcohol and acetone.
Executive standard: GB/T1396-1993
| Item | analytically pureAR | chemically pureCP | specific grade |
| content[(NH4)2SO4]/%≥ | 99.0 | 99.0 | 99.0 |
| pH range(50g/L solution,25℃) | 4.8-6.0 | 4.8-6.0 | 4.8-6.0 |
| clarity test | qualified | qualified | qualified |
| water insoluble/%≤ | 0.002 | 0.01 | 0.01 |
| ignition residue(in sulfate)/%≤ | 0.01 | 0.05 | 0.01 |
| chloride(Cl)/%≤ | 0.0005 | 0.001 | |
| nitrate(NO3)/%≤ | 0.001 | 0.005 | |
| phosphate(PO4)/%≤ | 0.0005 | 0.002 | |
| arsenic(As)/%≤ | 0.00002 | 0.0002 | 0.0002 |
| iron(Fe)/%≤ | 0.0002 | 0.0005 | 0.0002 |
| calcium(Ca)/%≤ | 0.005 | ||
| heavy metal(in Pb)/%≤ | 0.0005 | 0.002 | 0.002 |
Use:The product is widely used in pharmaceutical, food, chemical, bioengineering and glass surface treatment field.
Packing:Woven bag inner plastic bag and the net weight is 25kg/bag.
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