I-B & M yokuvavanya ubusi ikholomu ekhethekileyo yikholomu ye-polar extraction kunye ne-silica gel engabotshwanga njenge-adsorbent.I-filler yezinto ezithunyelwa ngaphandle ziyamkelwa kwaye zivavanywe ngombutho ogunyazisiweyo.Ikholamu i-acidic ebuthakathaka kwaye ine-polarity eyomeleleyo.Isetyenziselwa ukwahlula i-nonpolar, i-polar ebuthakathaka edibeneyo. , ioli, njl., ngakumbi kwizakhiwo ezifanayo.