Molecular formula: (NaPO3)6
Molecular weight: 611.82
Standard: HG/T2837-1997
Properties:
white powder, specific gravity: 2.484(20°C), easily soluble in water, insoluble in organic solvents. Absorbent to dampness, and furn sticky when absorbed dampness in air. It is possible to form solvent compound with metallic ions such as Ca, Ba, Mg, Cu and Fe; it is a fine agent for water treatment.
Technical index:
No. |
Index name |
Industrial grade |
Food grade |
1 |
Main content (based on P2O5) %≥ |
68.0 |
68.0 |
2 |
Inactive phosphate(based on P2O5 ) %≥ |
7.5 |
7.5 |
3 |
Iron (Fe) %≤ |
0.05 |
0.05 |
4 |
PH value(1% aqueous solution) |
5.8-7.3 |
5.8-6.5 |
5 |
Solubility |
Qualified |
Qualified |
6 |
Heavy metal(based on Pb) %≤ |
|
0.001 |
7 |
Arsenic(based on As) %≤ |
|
0.0003 |
8 |
Fluoride(based on F) %≤ |
|
0.003 |
9 |
Water insoluble %≤ |
0.05 |
0.06 |
Use: Used in the industries including oil field, paper making, textile, printing dyeing, petrochemical, leather and building material etc. as water softener, flotation agent, dispersant, high temperature binding agent and additive, quality modifier, PH value regulator, metallic ion chelating agent and bulking agent etc..
Packing: woven bag lined with plastic bag, net weight: per bag.25kg 50kg 1000kg. Stored in dry and draughty place.
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