Chemical formula: Na3PO4.nH2O(n=0,12)
Molecular weight: 380.14
Standard executed: HG/T2517-2009(INDUSTRAIL GRADE) GB25565-2010(FOOD GRADE)
Throughput: 10000t/a
Properties:
White of colorless crystals, efflorescent in air, easily soluble in water but not in organic solution. Its water solution is alkaline. PH value of 1% solution is 12.1, relative density at 1.62, melting point is 73.4℃.
Technical specifications:
| Specifications | Na3PO4 | Na3PO4.12H2O | ||
| Industrial Grade | Food Grade | Industrial Grade | Food Grade | |
| Main contents min% | 98.0 | 98.0 | 98.00 | 98.00 |
| Phosphorus pentoxide min% | 42.4 | 42.4 | 18.30 | 18.30 |
| Heavy metals(as Pb)max% | 0.001 | 0.001 | ||
| Arsenic(as As)max% | 0.0050 | 0.0003 | 0.0050 | 0.0003 |
| Fluoride(as F)max% | 0.005 | 0.005 | ||
| Water insoluble max% | 0.10 | 0.20 | 0.10 | 0.20 |
| PH value | 11.5-12.5 | 11.5-12.5 | 11.5-12.5 | 11.5-12.5 |