trisodium phosphate
Chemical formula: Na3PO4.12H2O
Molecular weight: 380.14
Standard executed: HG/T2517-93
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℃
Application:Used as a water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
Packaging:Plastic-woven sack with polythene inner bag, net weight 25kg, 50kg or 1000kg. Store at a ventilated, dry place.
Technical Specifications
No.
Specifications
Na3PO4 Na3PO4.12H2O
Industrial
Food
Industrial Food
1
Main contents%≥
98.0
98.0
98.0
98.0
2
Phosphorus pentoxide%≥
39.5 39.5 18.3
18.3
3
Chloride, as cl% ≤
0.3
0.02
4
Sodium oxide, as Na2O%≤
36-40 36-40 15.5-19
15.5-19
5
Sulfate, as SO4 %≤
0.25 0.5
0.5
6
Heavy metal, as Pb%≤
0.001 0.001
0.001
7
Arsenic, as As%≤
0.0003 0.0003
0.0003
8
Fluoride as F%≤
0.005 0.005
0.005
9
Water insoluble%≤
0.10 0.10 0.10
0.10
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