Ho na le sampole ea khalase ea khalase e sebelisoang ke mohlala oa bosholu le sampole ea hlooho ea chrotograph, joalo ka li-chromatograph. Litlhokahalo tsa eona tsa mantlha ke bophahamo bo nepahetseng, bokhoni ba ho mamella khatello e itseng, tšebetso e ntle ea ho tiisa, 'me ha ho na Mampoli a sampole.