Ngwaahịa ahụ bụ ihe na-acha ọcha, ihe na-acha odo odo nke nwere ihe onwunwe nke na-adịghị egbu egbu, isi ísì, na-adịghị edozi na mmiri na ethanol.The urughuru size bụ edo, elu bụ ezigbo, n'ibu ike dị elu, na ikike nke mmiri absorption bụ ike na bọl na-adịghị kewaa mgbe absorbing mmiri.
Alumina maka hydrogen peroxide nwere ọtụtụ ọwa capillary na nnukwu akụkụ elu, nke enwere ike iji mee ihe dị ka adsorbent, desiccant na catalyst.N'otu oge ahụ, a na-ekpebikwa ya dabere na polarity nke ihe adsorbed.Ọ nwere njikọ siri ike maka mmiri, oxides, acetic acid, alkali, wdg. arụ ọrụ alumina bụ ụdị micro-mmiri miri desiccant na ihe adsorbent maka adsorbing pola ụmụ irighiri ihe.