Customization: | Available |
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CAS No.: | 7758-29-4 |
Formula: | Na5o10p3 |
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Brief:Sodium tripolyphosphate STPP can be used as detergent additives, as well as in petroleum, metallurgy, mining, paper making, water treatment, etc.
In the food industry, STPP is used as quality improver and water retention agent for canned products, fruit juice drinks, dairy products, soymilk, etc.Analysis Contents | Analysis Standard | Analysis Result |
Main content % | ≥95 | 96.5 |
Phosphorus pentoxide (P2O5) % | ≥57 | 57.3 |
Water insoluble % | ≤0.05 | 0.02 |
Iron % | ≤0.01 | 0.006 |
PH value (1% water solution) | 9.5~10.0 | 9.7 |
Heavy metal (Pb) | ≤10ppm | 6ppm |
Arsenic (As) | ≤3ppm | 1ppm |
Fluoride (F) | ≤10ppm | 5ppm |
White content % | ≤90.0 | 92.0 |
Loss on drying % | ≤0.5 | 0.3 |
Density bulk (g/l) | 600-750 | 700 |
Conclusion: | Complies with the standard of GB25566-2010. |