|
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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