Umkhiqizo uyinto emhlophe, eyindilinga ene-porous enempahla engenabuthi, engenaphunga, engancibiliki emanzini ne-ethanol.Usayizi wezinhlayiyana ufana, ingaphezulu libushelelezi, amandla emishini aphakeme, amandla okumunca umswakama anamandla futhi ibhola alihlukaniswa ngemva kokumunca amanzi.
I-alumina ye-hydrogen peroxide ineziteshi eziningi ze-capillary kanye nendawo enkulu, engasetshenziswa njenge-adsorbent, i-desiccant kanye ne-catalyst.Ngasikhathi sinye, kunqunywa futhi ngokuya nge-polarity yento ye-adsorbed.Inobudlelwane obuqinile bamanzi, ama-oxides, i-acetic acid, i-alkali, njll. I-alumina ecushiwe iwuhlobo lwe-desiccant ejulile yamanzi kanye ne-adsorbent yama-adsorbing polar molecules.