ZINC SULPHATE
ZINC SULPHATE
Quality:ZINC SULPHATE HEPTAHYDRATE 21.5% AND ZINC SULPHATE MONOHYDRATE POWDER
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1.ZINC SULPHATE HEPTAHYDRATE 21.5%
Items | Standard | Results |
Appearance | White crystal | White crystal |
Zn | 21.5%min | 22.1% |
As | 5ppm max | 2ppm |
Pb | 10ppm max | 6ppm |
Cd | 10ppm max | 10ppm |
PH Value | 4.0min | 5.8 |
2. AND ZINC SULPHATE MONOHYDRATE POWDER
Items | Standard | Results |
Zn | 35%min | 35.5 |
Water insoluble | 0.1%max | 0.05%max |
As | 5ppm max | 2ppm |
Pb | 10ppm max | 6ppm |
Cd | 10ppm max | 10ppm |
PH Value | 4 | 5.0 |