Index Name	Specification
	Technical Grade	Food Grade
Appearance	Transparent colorless sticky fluid
Content ( as H3PO4)	85%min	85%min
Phosphorus pentoxide (as P2O5)	61.6%min	61.6%min
Chloride (as Cl)	0.0005%max	/
Sulphate (as SO4)	0.005%max	/
Heavy metal (as Pb)	0.001%max	0.0005%max
Colority	20max	10max
Easily oxidized substances (as H3PO3)	/	0.012% max
Arsenic (as As)	0.005%max	0.00005%max
Iron (as Fe)	0.002%max	/
Fluoride (as F)	/	0.001%max