Description
Solubility:solubility in water,insoluble in organic solvents.The aqueous solution is weakly acidic and it hydrolyzes in aqueous solution,particularly under acidic conditions, to sodium trimetaphosphate and sodium orthophosphate.
Property:Highly hygroscopic,it can gradually absorb water and become a sticky substance when exposed in the air.
Uses:
1) water soften
2) detergents
3) deflocculant
4) dispersing agent
5) toothpastes manufacturing
6) water treatment
7) ceramic manufacturing
8) Kaolin and clay processing
9) food additive(Food grade)
10) sequestrant
Executive standard:GB 1624-79
Item |
Specification |
Special Grade |
First Grade |
Qualified |
Total phosphate(P2O5) %≥ |
68.0 |
67.0 |
65.0 |
Inactive phosphate(P2O5) % ≤ |
7.5 |
8.0 |
10.0 |
Iron(Fe) % ≤ |
0.02 |
0.10 |
0.20 |
PH |
5.8-7.3 |
Water insoluble % ≤ |
0.05 |
0.10 |
0.15 |
Solubility |
Qualified |
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