Usage:Phosphoric aicd food grade Can be used directly in liquid, solid drinks as sour food additive, Substitute for citric acid, malic acid； in beer saccharification process can replace the lactic acid to adjust the PH value, in the sugar cane industry for clarification agent,as nutrients agent in the yeast production,it also widely used in high-precision electronics industry, pharmaceutical industries.
Phosphoric acid technical grade can be used to produce variety of phosphate，refractory clay and rust-proof coating； phosphating-process and polish for metal surface,also can be used as a catalyst, inorganic binder, desiccant, cleaning agent.
Standard
|
Item
|
Unit
|
Specification
|
|
Food grade
|
Tech grade
|
|
Color：
|
Apha
|
--
|
20 max
|
|
Main content as H3PO4:
|
%
|
75-85 min
|
|
Arsenic as As:
|
PPM
|
0.5 max
|
1 max
|
|
Heavy metal as Pb:
|
PPM
|
5 max
|
10 max
|
|
Fluoride as F:
|
PPM
|
10 max
|
11
|
|
Oxide as H3PO3:
|
PPM
|
120 max
|
--
|
|
Chloride as Cl:
|
PPM
|
--
|
5 max
|
|
Sulphate as SO4:
|
PPM
|
--
|
50 max
|
|
Iron as Fe:
|
PPM
|
--
|
20 max
|
|
