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.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. |