Hlakileng litiiso tsa li-chromagraphy tsa li-chromagraphy tse 20 tse nang le litifi tsa 20 tse etselitsoeng ho lekana lihlooho tse ngata tsa hlooho ea hlooho. E etselitsoe ho sebelisa litso tse khethiloeng ke manyolo le a sa sebetseng, li-vaeriatograph tsa li-chromotography li tla ka litlolo tse fapaneng ho netefatsa hore na ho na le mabaka a lik'hemik'hale.