| Customization: | Available |
|---|---|
| CAS No.: | 7758-29-4 |
| Formula: | Na5p3o10 |
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| Item | Standard | Result |
| Content(Na5P3O10)% | 85.0min | 95.5 |
| Phosphorus pentoxide % | 57.0min | 57.3 |
| Water-insoluble % | 0.05max | 0.02 |
| Iron(Fe) % | 0.01max | 0.006 |
| PH value(1% water solution) | 9.5-10.0 | 9.70 |
| Heavy metal (Pb) | 10ppm max | 6ppm |
| Arsenic (As) | 3ppm max | 1 ppm |
| Fluoride (F) | 10ppm max | 8ppm |
| White content % | 90.0min | 92.0 |
| Loss on drying % | 0.5max | 0.3 |
| Density bulk g/l | 600-800 | 750 |
| Item | Standard | Result |
| ASSAY % ≥ | 94.0 | 95.6 |
| P2O5 % ≥ | 57.0 | 57.5 |
| WATER INSOLUBLEMATTER %≤ | 0.1 | 0.05 |
| LOSS ON IGNITION% ≥ | 1(normally) | 1.5 |
| PHVALUE(1%WATERSOLUTION) | 9.2-10.3 | 9.6 |
| BULK DENSITY(G/CM3) | 0.9-1.2 | 1.0 |
| WHITENESS %≥ | 85 | 86.1 |
| Phase I | 0-70 | 68 |
Purpose
Sodium tripolyphosphate has chelating, suspending, dispersing, gelatinizing, emulsifying, pH buffering and other functions, which can be used as synthetic detergent, industrial water softener, tanning agent, dyeing agent, organic synthesis catalyst, pharmaceutical industry dispersing agent and food additive, etc. In addition to exported STPP, domestic STPP consumption is mainly concentrated in detergent industry, food, ceramics and so on.
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