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Ammonium Chloride |
Item |
Pharmaceutical Grade |
Battery Grande |
Purity |
99.5% Min |
99.0% Min |
Moisture |
0.5% Max |
sand-like 0.7% Max
crystalline 3.5% Max |
Fe |
0.0005% Max |
0.001% Max |
Sulfate(SO42-) |
/ |
0.02% Max |
Burnt loss |
0.10% Max |
/ |
Heavy Metal(Pb) |
0.0005% Max |
/ |
Ph value |
4.0-6.0 |
4.0-5.8 |
As |
0.0001% Max |
/ |
Zinc slab corrosion |
Qualitative test |
without blackening in fluid |
Quantitative test (mg/g·10h) |
2.5 Max |
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