|
Chemical formula: Na3PO4.12H2O
Molecular weight: 380.14
Standard executed: HG/T2517-93
Technical Specifications ：
|
NO. |
Specifications |
Na3PO4 |
Na3PO4.12H2O |
|
Industrial |
Food |
Industrial |
Food |
|
1 |
Main contents%≥ |
98.0 |
98.0 |
98.0 |
98.0 |
|
2 |
Phosphorus pentoxide%≥ |
39.5 |
39.5 |
18.3 |
18.3 |
|
3 |
Chloride, as cl% ≤ |
|
|
1.5 |
0.3 |
|
4 |
Sodium oxide, as Na2O%≤ |
36-40 |
36-40 |
15.5-19 |
15.5-19 |
|
5 |
Sulfate, as SO4 %≤ |
|
0.25 |
0.5 |
0.5 |
|
6 |
Heavy metal, as Pb%≤ |
|
0.001 |
0.001 |
0.001 |
|
7 |
Arsenic, as As%≤ |
|
0.0003 |
0.0003 |
0.0003 |
|
8 |
Fluoride as F%≤ |
|
0.005 |
0.005 |
0.005 |
|
9 |
Water insoluble%≤ |
0.10 |
0.10 |
0.10 |
0.10 |
Properties:White or 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℃
Application:Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
Packaging:Plastic-woven sack with polythene inner bag, net weight 25kg, 50kg or 1000kg. Store at a ventilated, dry place.
|
