Usage:Used as soft water agent, cleaning agent in electroplating, color fixer in fabric dyeing and flux in enamel ware manufacturing, and so on.
Standard:
Item
Unit
Specification
Anhydrous
Hydrate
Tech grade
Food grade
Tech grade
Food grade
Main content:
%
98 min
98 min
98 min
98 min
Phosphorus pentoxide as P2O5:
%
39.5 min
39.5 min
18.3 min
18.3 min
Sodium oxide as Na2O:
%
36-40
36-40
15.5-19
15.5-19
Sulfate as SO4:
%
--
0.25 max
--
0.5 max
Heavy metal as Pb:
%
--
0.001 max
--
0.001 max
Arsenic as As:
%
--
0.0003 max
--
0.0003 max
Fluoride as F:
%
--
0.005 max
--
0.005 max
Water insoluble:
%
0.05 max
0.05 max
0.05 max
0.05 max
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