Filter ea nale e lahliloeng ke sefe e potlakileng, e bonolo ebile e ts'epahala, e sebelisoang ka laboratoring.Ka ponahalo e ntle, boima bo bobebe le bohloeki bo phahameng, e sebelisoa haholo bakeng sa sampole ea ho sefa le ho tlosa lintho tse itseng.Ke khetho ea pele ea ho sefa lisampole tse nyane tsa IC, HPLC le GC.
Sehlopha se seng le se seng sa li-filters tsa nale li ile tsa lekoa ka ion chromatography.Ho lekola metsi a hloekileng a 1 mL a fetisitsoeng ka sefeng, liphetho li bonts'itse hore boemo ba ho qhibiliha ha ion bo fihlile boemong ba tlhahlobo ea ion chromatography.