| Customization: | Available |
|---|---|
| CAS No.: | 7722-88-5, 10101-89-0 |
| Formula: | Na4p2o7, Na3po4 12(H2O) |
|
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| item | standard | |
| sodium pyrophosphate anhydrous(Na4P2O7) |
sodium pyrophosphosphate decahydrate(Na4P2O7·10H2O) |
|
| main content ,≥% | 96.5~100.0 | 98.0 |
| water insoluble,≤% | 0.20 | 0.10 |
| PH value(10g/L, aqueous solution ) | 9.9~10.7 | |
| orth phosphate | pass | |
| Heavy Metal(as Pb),≤% | 0.001 | |
| Fluoride(as F),≤% | 0.005 | |
| Loss on drying,% | ≤0.50 | 38.0~42.0 |
| No. | Specifications | Unit | Food Grade Standard |
| 1 | Appearance | White Powder or White Granular | |
| 2 | Main contents Na4P2O7C | % | ≥96.5 |
| 3 | Phosphate | Qualified | |
| 4 | Water insoluble matter | % | ≤0.2 |
| 5 | pH of 1% water solution | 9.9-10.7 | |
| 6 | Heavy Metal (as Pb) | mg / kg | ≤10 |
| 7 | Plumbum (Pb) | mg / kg | ≤4 |
| 9 | Loss on drying | % | ≤0.5 |
| 10 | Fluoride (F) | mg / kg | ≤50 |
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