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Item | Industrial Grade | Feed Grade | Fertilizer Grade |
CuSO4·5H2O≥ | 96% | 98.5% | 99% |
Cu≥ | 24.5% | 25.1% | 25.1% |
Water-insoluble≤ | 0.2% | 0.2% | 0.2% |
Pb≤ | 0.001% | 0.001% | 0.001% |
As≤ | 0.0004% | 0.0004% | 0.0004% |





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