Phosphoric Acid for Fertilizers

Specification of Phosphoric Acid. Parameter Unit Value Specific gravity @30 deg.c gmc.cm 1.63-1.67 P2O5 wtwt % 52% - 54% CaO wtwt % 0.05 - 0.15 MgO wtwt % 0.2-0.6 Na2O wtwt % 0.1-0.5 K2O wtwt% 0.02-0.05 Al2O3 wtwt % 0.5-1.0 Fe2O3 wtwt % 0.6-1.3 SO4 wtwt % 3 max SiO2 wtwt % 0.1-0.5 F wtwt % 0.5 max Cl wtwt % 0.015-0.025 Organic Matter wtwt % 0.05-0.1 Solids wtwt % 0.2 -