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Item |
Industry Grade | |
First grade | Standard | |
Total phosphate(P2O5), %≥ | 68.0 | 65.0 |
Inactive phosphate(P2O5), %≤ | 7.5 | 10.0 |
Water insoluble, %≤ | 0.04 | 0.15 |
Iron(Fe), %≤ | 0.03 | 0.20 |
PH value(10g/L) | 5.8-7.3 | |
Solubility | PASS |
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