Product Description
Sodium tripolyphosphate, is an inorganic compound, chemical formula Na5P3O10, is an amorphous water-soluble linear polyphosphate, often used in food, as water retention agent, quality improvement, pH regulator, metal chelator.
COA
SODIUM TRIPOLYPHOSPHATE FOOD GRADE POWDER
| 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 |
SODIUM TRIPOLYPHOSPHATE TECH GRADE
| 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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