Isi ihe nke acidic, na-anọpụ iche na ihe mkpuchi alkaline

Ihe mkpuchi acid: ogige tetravalent SiO2, ZrO2, wdg, siliceous, ọkara silica, ụrọ, zirconium, ọkara zirconium.

Ihe mkpuchi na-anọpụ iche: ogige trivalent Al2O3, Cr2O3 na covalent bond crystalline mineral C, SiC, aluminum high, corundum, chromium, carbon, silicon carbide, silicon nitride, wdg.

Ihe mkpuchi ọkụ alkaline: ogige divalent CaO, MgO, wdg, magnesia, dolomite, magnesia aluminum, magnesia chromium.