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ITEM | Unit | First grade | Superior grade |
---|---|---|---|
Cu | W/% | ≥69.6 | ≥70.2 |
CuCN | W/% | ≥98.0 | ≥99.0 |
CN | W/% | 28.0-28.6 | 28.0-28.6 |
Insoluble content | W/% | ≤0.30 | ≤0.20 |
Fe | W/% | ≤0.04 | ≤0.02 |
Appearance |
White, grayish yellow or light blue powder |
White, grayish yellow or light blue powder |
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