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Testing Item | Standard | Result | ||
Total phosphate as P2O5 | 68.0% Min | 68.7% | ||
Inactive phosphate as P2O5 | 7.5% Max | 6.2% | ||
Water insoluble | 0.1% Max | 0.009% | ||
Fe | 500ppm Max | 55ppm | ||
PH (1% solution) | 5.8-6.5 | 6.3 | ||
Arsenic | 3ppm Max | <3ppm | ||
Heavy metals( Pb) | 10ppm Max | <10ppm | ||
Fluoride | 0.0030% Max | 0.0004% | ||
Note: When a user with special requirements for fineness, negotiated by the supply and demand sides | ||||




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