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Specifications
1. White powder
2. Assay: Min96.5%
3. Food or industrial grade
4. It is widely used as detergent auxiliary or quality modifier ect
Molecular formula: Na4P2O7
Molecular weight: 265.90
Properties:
White powder, easily dissolve in water, not dissolve in ethanol, relative density is 2.45,
Melting point is 890° C, liquid is alkalescence, 1%, PH: 9.9-10.
Uses:
1, Widely used as detergent auxiliary, in industry, used to bleach papers,
Degrease wool and used in plating;
2, Used in foods as emulsifier, nutrition agent, quality modifier, etc
Packing and storage:
In 25Kg /50kgs net bags. It must be stored in places well ventilated and dry
| Quality index | HG2929-99 | FCC,1996 |
| Assay≥% | 95.0 | 93.0-100.5 |
| As≤% | 0.0003 | 0.0003 |
| Fluoride≤% | 0.005 | 0.005 |
| Heavy Metal≤% | 0.0015 | 0.0015 |
| Water insoluble matter≤% | 1.0 | 1.0 |
| Pb≤% | -- | 0.0002 |
| PH value | 4.0 ±0.5 | -- |
| Phosphorus pentoxide | 63.0-64.0 | 63.0-64.0 |