NAME OF INDEX |
Specification |
Content(as Na2H2P2O7), % |
96.0 Min |
P2O5 % |
63%-64% |
Arsenic, % |
0.0003 Max |
Heavy metals(as Pb), % |
0.0002 Max |
Fluoride(F), % |
0.001 Max |
Loss on drying |
0.2% Max |
Water insoluble, % |
0.5 Max |
PH value |
3.5-4.5 Max |