Sodium Hexametaphosphate(SHMP) for water treatment
Product 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.
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 |