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 Products
Trisodium phosphate
[Molecular formula]: Na3PO4·12H2O
[Molecular weight]: 380.14
[Executive standard]: HG/T2517-93
[Properties]: White or colorless granular crystal, soluble in water easily but not in organic solvent. Water solution is alkaline. PH of 1% solution is 12.1. relative density: 1.62, melting point: 73.4 °C.
[Use]: Used as soft water agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in fabric dyeing and flux in enamel ware manufacturing, and so on.
[Technical specification]:
No.
|
Index name |
Industrial grade |
Food grade |
1 |
Content(based on Na3PO4·12H2O) %≥ |
98.0 |
98.0 |
2 |
Phosphorus pentoxide (based on P2O5) %≥ |
18.3 |
18.3 |
3 |
Sulfate (based on SO4) %≤ |
0.5 |
0.5 |
4 |
Chloride(based on Cl) %≤ |
0.3 |
0.02 |
5 |
Water insoluble %≤ |
0.10 |
0.10 |
6 |
Methyl orange alkalinity(based on Na2O) %≤ |
15.5-19 |
15.5-19 |
7 |
Heavy metal(based on Pb) %≤ |
|
0.001 |
8 |
Arsenic(based on As) %≤
|
|
0.003 |
[Packing]: Woven bag with plastic lining, NW:25KG or 50KG, stored in draughty and dry place.
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