Ammonium Sulfate
Molecular Formula: (NH4)2SO4
Molecular weight: 132.13
Physical and chemical properties:
pure product is colorless crystal or white crystalline powder .
Uses: used in metallurgy, medicine, leather, wood preservative, textile, plating, ferment, fertilizer.
Packing: Net wt 25/50kg, Double-layer packing, plastic bag lined plastic woven bag.
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Index name |
Industrial product |
Agricultural product |
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First grade |
Second Grade |
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Appearance |
white Crystal |
white or light color Crystal |
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N (dry) % |
≥21.0 |
21.0 |
20.8 |
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Moisture (H2O) % |
≤0.2 |
0.5 |
1.0 |
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Free acid (H2SO4) % |
≤0.05 |
0.08 |
0.20 |
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Fe% |
≤0.007 |
-- |
-- |
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As% |
≤0.0005 |
-- |
-- |
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Heavy Metals (as Pb) % |
≤0.005 |
-- |
-- |
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Water Insoluble Matter % |
≤0.05 |
-- |
-- |