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ITEM | INDEX | ||
Tech. Grade | Food Grade | ||
Na5P3O10 (%): | 94Min | 95Min | |
P2O5 (%): | 57Max | 57Max | |
Insolubles in water (%): | 0.15Max | 0.05Max | |
Fe (%): | 0.007Max | N | |
Ph (1% solution): | 9.2-10 | 9.5-10 | |
Heavy Metal (As Pb) (%): | N | 0.001Max | |
Arsenic (As) (%): | N | 0.0003Max | |
Fluoride(F) (%): | N | 0.003Max | |
Whiteness(%): | 90Min | 90Min | |
Density | 0.35-0.9 | 0.35-0.9 | |
I type content (%) | 10-30 | 10-30 | |









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