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 ＆#118alue； 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
