Physicochemical property:
Molecular formula:(NH4)2SO4
Molecular weight:132.14
This product is a colorless translucent quadrature crystalline or translucent powder.easy soluble in water,not soluble in ethanol, acetone.
Standard:GB/T1396-1993
| Item |
Analytically pure AR |
Chemically pureCP |
Specific grade |
Content[(NH4)2SO4]/%≥ |
99.0 |
99.0 |
99.0 |
pH?(50g/L solvent,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 (sulphate)/%≤ |
0.01 |
0.05 |
0.01 |
Chloride(Cl)/%≤ |
0.0005 |
0.001 |
|
Nitrate(NO3)/%≤ |
0.001 |
0.005 |
|
Phosphate(PO4)/%≤ |
0.0005 |
0.002 |
|
(As)/%≤ |
0.00002 |
0.0002 |
0.0002 |
(Fe)/%≤ |
0.0002 |
0.0005 |
0.0002 |
(Ca)/%≤ |
0.005 |
|
|
Heavy metal(Pb)/%≤ |
0.0005 |
0.002 |
0.002 |
Use:The product is widely used in pharmaceuticals, foods,biochemicals,bioengineerings,glass surface treatment,etc.
Packaging:woven bag(lined with plastic bag),50kg/bag.
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