Sodium hexametaphosphate powder shmp sodium hexametaphosphate
Properties
White powder; Density 2.484(20°C); soluble in water but insoluble in organic solvent; It has got strong hygroscopicity and can absorb humidity from the air to become into pasty form; It may form soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good water treatment chemical.
Application
1. Industrial grade: used in such industries as oil field, paper-making, textile, dyeing, petrochemical industry, tanning industry, metallurgical industry and building material industry, and used as a water softening agent in solution for printing, dyeing, and boiler, as diffusant in papermaking; retarding agent, floating agent, dispersing medium, high temperature agglomerant, detergent and soil analytical chemical reagent;
2. Food grade: mainly used as additive agent, PH adjusting agent, fermenting agent, and nourishment, etc.
Specification
| Item | Standard |
| Appearance | white powder |
| Total Phosphate (as P2O5 ) % | ≥68 |
| Inactive Phosphate (as P2O5) % | ≤7.5 |
| Water Insoluble % | ≤0.6 |
| Heavy metal (Pb) % | ≤0.001 |
| Arsenic(As) % | ≤0.0003 |
| Iron(Fe) % | ≤0.05 |
| Fluoride (as F) % | ≤0.003 |
| PH (1% aqueous solution) | 5.8-6.5 |
| Melting point | 616°C |
| boiling point | 1500 °C |
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