Chemical formula: Na3PO4.12H2O
Molecular weight: 380.14
Standard executed: HG/T2517-93
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 73.4oC.
Iterms Technical Grade Food Grade
Main content %≥ 98.0 98.0
P2O5 %≥ 18.3 18.3
Chloride, as Cl %≤ 1.5 0.3
Sodium oxide, as Na2O %≤ 15.5-19 15.5-19
Sulfate, as SO4 %≤ 0.5 0.5
Heavy metal, as Pb %≤ - 0.001
Arsenic, as As %≤ - 0.0003
Fluoride, as F %≤ - 0.002
Water insoluble %≤ 0.10 0.05
Application: Used as water softening agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing and so on.
Packaging: 25kg/50kg/1000kg in plastic woven bag with PP lining. Stored in ventilated and dry place.
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