Specifications	Industrial Grade
Total phosphate, as P2O5%≥	68.0
Inactive phosphate, as P2O5%≤	7.5
Iron, as Fe %≤	0.05
Ph value (1% solution) %≤	5.8-7.3
Solubility	Qualified
Heavy metals, as Pb  %≤
Arsenic, as As%≤
Fluoride as F%≤
Water insoluble %≤	0.05