Sodium salt
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TRISODIUM PHOSPHATE (TSP)
Guaranteed Technical Specifications
Chemical formula: Na3PO4.12H2O
Molecular weight: 380.14
Standard executed: HG/T2517-1993
Throughput: 10000t/a
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℃
Uses
Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
Packing and storage
Plastic-woven sack with polythene inner bag, net weight 25kg, 50kg or 1000kg. Store at a ventilated, dry place.
- Other Parameters
No | Specifications | Na3PO4 | Na3PO4.12H2O | ||
Industrial Grade | Food Grade | Industrial Grade | Food Grade | ||
1 | Main contents min% | 98.00 | 98.00 | 98.00 | 98.00 |
2 | Phosphorus pentoxide min% | 39.0 | 39.0 | 18.30 | 18.30 |
3 | Chloride(as Cl)max% |
|
|
| 0.02 |
4 | PH | 11.5-12.5 | 11.5-12.5 | 11.5-12.5 | 11.5-12.5 |
5 | Sulfate(as SO4)max% |
| 0.25 |
| 0.50 |
6 | Heavy metals(as Pb)max% |
| 0.001 |
| 0.001 |
7 | Arsenic(as As)max% |
| 0.0003 |
| 0.0003 |
8 | Fluoride(as F)max% |
| 0.005 |
| 0.005 |
9 | Water insoluble max% | 0.10 | 0.10 | 0.10 | 0.10 |