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Test Item | Specification |
Purity | 98%min |
MgO | 32.8%min |
Iron | 0.0015%max |
Water insolubel substance | 0.05% max |
As | 0.0002 max |
Heavy metal | 0.001 max |
Cl | 0.02max |
Apperance | white powder or granular |











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