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Physical and Chemical Properties: white crystal granule,
solube in water. It will decompose at 280
and produce ammonia and sulfuric acid.
Main Ingredient: amonium sulfate.
Molecular Formula: (NH4)2SO4
Molecular Weight: 132.13
Up to GB535-1995
Quality Standards:
| Item |
Excellent
|
Grade 1 |
Grade 2 |
| N (on dry base), % no less than |
21.0 |
21.0 |
20.8 |
| H2O, % no more than |
0.2 |
0.3 |
1.0 |
| Free acid (H2SO4), % no more than |
0.03 |
0.05 |
0.20 |
| Fe, % no more than |
0.007 |
|
|
| As, % no more than |
0.00005 |
|
|
| Heavy metal (Pb), % no more than |
0.005 |
|
|
| Insoluble matter in water, % no more
than |
0.01 |
|
|
Uses: mainly used as the raw material for fertilizer,
chemicals, dyeing, medicine, leather, etc..
Packing: woven bag lined with plastic one, 50kg
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