
Sodium Tripolyphosphate (STPP) 94% (CAS No: 7758-29-4) with Best Price
Sodium tripolyphosphate is fairly stable at room temperature, and will hydrolyze slowly in humid air to form sodium orthophosphate.
The complexing capacity of sodium tripolyphosphate is generally expressed as a calcium value.
Sodium tripolyphosphate aqueous solution is weakly alkaline.
Description
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Description

COA
| 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. | |
| Preferential price | US $800 - 850 / Metric Ton | |
Application

Packing And Delivery

Packed in 25kg bag
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