Quality standard：HG/T2517-93
Hydromolecular formula：Na3PO4·12H2O&Na3PO4
Nonhydromolecular formula：Na3PO4
Molecular weight：380.14
Appearance：White or colorless
Property：Easy decent and dissolve in the water, not dissolve in organic solvent, the solution assumes alkali, 1% solution, the PH value is 12.1, the relative density is 1.62, the melting point is 73.4℃.
Package：Plastic inside and knitting outside the net weight is 25KG in ventilated and dry place
Usage：The soft water treatment, chemical industry, galvanization phosphorized, printing, enamel agent and leather degreasing.
Executive standard：
Index name |
Industrial index |
Na3PO4（anhydrous grade） |
Na3PO4·12H2O（12aqueous grade） |
Main content≥% |
98.0 |
98.0 |
Appearance |
White powder |
White crystal |
Phosphorus pentoxide(P2O5)≥% |
40.0 |
18.0 |
Methyl orange alkali（Na2O） |
36-40 |
16.0-19 |
Sulphate(S O4)≤% |
- |
0.5 |
Water insoluble ≤% |
0.10 |
0.10 |
Package：
Plastic inside and knitting outside the net weight is 25KG or 50KG in ventilated and dry place
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