Phosphoric Acid

Description

Phosphoric Acid used as polishing agent, antirust additive, metal cleaner, organic synthesis catalyst, inorganic cementitious ag

Items	Industrial Grade		Food Grade
	High-class	First-class
Chromaticity≤	20	30	20
Phosphoric acid ≥	85	85	85
Chloride as Cl ≤	0.0005	0.0005	0.0005
Sulphate as SO42	0.003	0.005	0.005
Iron as Fe≤	0.002	0.002	- -
Arsenic as As≤	0.0001	0.005	0.0001
Heavy metals as Pb≤	0.001	0.001	0.001
Fluoride as F≤	- -	- -	0.001
Oxidable as H3PO3≤	- -	- -	0.012

Resource:

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