Isipetu iyithuluzi elivamile lokuhlola, elivame ukusetshenziselwa ukujova amasampula kumathuluzi okuhlaziya afana nama-chromatographs nama-spectrometer amakhulu. Isipetu ngokuvamile siqukethe inaliti kanye nesirinji. Inalithi ingakhethwa ngezindlela ezahlukene kanye nokucaciswa ukuze ivumelane namasampuli ahlukene kanye nezidingo zokuhlola.