Ferric Hydroxide Oxide
Its formula is not stable and usually exist as Fe2O3.nH2O; so its assay cacualted on Fe;
After test, dried under 40-80 centigrade, it exsist as Fe2O3.2H2O basiclly. and ours suppling content Fe between 52-57%; that means Fe2O3.2H2O content is 99%;
Fe(OH)3:99%;
Fe:52%;
Cl-:0.1%;
Insoluble in HCL:0.1%;
SO4-:0.05%;
Cu:0.05%;
Unprecipitate by NH3:0.1%;
Usage:absorbent; pharmacy