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Chemical Name: Ammonium Sulfate
Formula: (NH4)2SO4
Specification: AR
Property condition: Colourless crystal or translucent powder
Molecular weight: 132.14
Packing: 250g
|
ITEM OF ANALYSIS |
STANDARD |
|
Assay, % |
≥99.0 |
|
Water-insoluble matter, % |
≤0.002 |
|
Heavy metals (as Pb), % |
≤0.0005 |
|
Calcium (Ca), % |
≤0.005 |
|
Iron (Fe), % |
≤0.0002 |
|
Residue on ignition (as SO4) , % |
≤0.01 |
|
pH(50g/L, 25°C), % |
4.8~6.0 |
|
Chloride (Cl),% |
≤0.0005 |
|
Nitrate (NO3), % |
≤0.001 |
|
Phosphate (PO4), % |
≤0.0005 |
|
Transparency of solution |
≤3 |
|
Arsenic |
≤0.00002 |