Trisodium phosphate
?
Chemical formula: Na3PO4 12 h2o
?
Molecular weight: 380.14
?
Execution standard: HG/T2517-93
?
Sexual shape, appearance for white or colorless granular crystal, easy weathering, soluble in water, insoluble in organic solvent, aqueous solution is alkaline reaction, 1% aqueous solution pH value of 12.1, relative density 1.62, melting point is 73.4 ℃.
?
?
?
Technical indicators:
?
The serial number
?
Metric names
?
Na3PO4
?
Na3PO4 12 h2o
?
Industrial grade
?
Food grade
?
Industrial grade
?
Food grade
?
1
?
The main content % p
?
98.0
?
98.0
?
98.0
?
98.0
?
2
?
P2O5 % p
?
42.4
?
42.4
?
18.3
?
18.3
?
3
?
Chloride (Cl) % or less
?
-
?
-
?
1.5
?
0.3
?
4
?
Methyl orange alkalinity (by Na2O) %
?
36 to 40
?
36 to 40
?
15.5-19
?
15.5 to 19.0
?
5
?
Sulfate % or less
?
-
?
0.25
?
0.5
?
0.5
?
6
?
Heavy metal (Pb) % or less
?
-
?
0.001
?
-
?
0.001
?
7
?
Arsenic (As) % or less
?
-
?
0.0003
?
-
?
0.0003
?
8
?
Fluoride (F) % or less
?
-
?
0.002
?
-
?
0.002
?
9
?
Water insolubles % or less
?
0.10
?
0.10
?
0.10
?
0.05
?
Use: used for water softening, daily chemical, electroplating, phosphating, solid color printing and dyeing, enamel melt and leather degreasing etc.
?
Outside package installs: plastic inside,50 kg net weight for each bag, store in ventilated dry place.
?