ITEM		INDEX
Appearance		WHITE
Total phosphate(As P2O5) content %≥		68
Inactive phosphate(As P2O5) content%  ≤		7.5
Water-insoluble matter%  ≤		0.06
Heavy Metals(As Pb)  ≤		0.001
Arsenide(As AS)  ≤		0.0003
Fluoride(As F)  ≤		0.003
PH value		5.8-6.5