CAS No.: | 14281-83-5 |
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Formula: | C4h8n2o4zn |
EINECS: | 238-173-1 |
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Item | Index | |
Pharmaceutical Grade | Food grade | |
Zinc %≥ | 29.4-30.5 | 0.26 |
Nitrogen% | 11.0-12.5 | 11.0-13.0 |
Chloride %≤ | 0.05 | 0.05 |
Sulfate %≤ | 0.05 | 0.05 |
Lead %≤ | 0.0005 | 0.0005 |
Arsenic %≤ | 0.0003 | 0.0003 |
Heavy metal %≤ | 0.002 | 0.002 |
Residue on ignition %≤ | 0.15 | 0.15 |
Loss on drying %≤ | 0.5 | 0.5 |
PH value (1% aqueous solution) | 6.0-7.5 | 6.0-7.5 |