Trisodium Phosphate (T S P)
Chemical formula: Na3PO4. XH2O (X=0, 12)
Molecular weight: 380.14
Standard executed: HG/T2517-93
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.
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:
In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated place.
|Main content, % min||98.0|
|Phosphorus pent-oxide, % min||18.3|
|Sodium oxide,asNa2O. .||15.5-19|
|Water insoluble, % max||0.1|
|Heavy metals, as Pb. % max||-----|
|Arsenic,as As. % max||-----|
|Fluoride,as F. % max||-----|
|Sulfate,as SO4 % max||0.5|
|Chloride,as Cl. % max||1.5|