Aluminium oxide, oo sidoo kale loo yaqaan alumina, waa iskudhis kiimiko ah oo ka kooban aluminium iyo ogsijiin, oo leh qaacidada Al₂O₃. Walxahaan la taaban karo waa walax cad, crystalline ka ciyaara door muhiim ah warshadaha kala duwan sababo la xiriira sifooyinka gaarka ah. Mid ka mid ah sifooyinka ugu muhiimsan ee ...
Alumina firfircooni waa shay aad u daloola oo la taaban karo oo laga helay aluminium oxide (Al2O3). Waxaa lagu soo saaraa fuuq-baxa aluminium hydroxide, taasoo keentay walax granular ah oo leh meel sare oo sare iyo sifooyin adsorption aad u fiican. Isku dhafkan gaarka ah ee sifooyinka...
Qallajiyayaashu waa maaddooyin nuugaya qoyaanka deegaanka, iyaga oo ka dhigaya kuwo lagama maarmaan u ah warshadaha kala duwan si loo ilaaliyo daacadnimada alaabta iyo alaabta. Qalajiyaha badan ee la heli karo, alumina firfircooni waxay u taagan tahay sifooyinkeeda gaarka ah iyo kala duwanaanshaheeda. Aluminium shaqaynaya
**** Horumar la taaban karo oo xagga sayniska maadiga ah, cilmi-baarayaashu waxay sameeyeen horumarro xagga wax-soo-saarka α-Al2O3 (alpha-alumina), oo nadiif ah, maaddada loo yaqaanno sifooyin gaar ah iyo codsiyo kala duwan. Tani waxay ku timid sheegashadii hore ee Amrute et al. in t...