Chromatograple na-eji iko iko na-eji chromatograpling na mmiri chromatography, gas chromatographs, gas carrographs, ndị na-echekwa ya na ndị ọzọ na-enyocha ya. N'ozuzu mejuputara vial zuru oke, okpu na gasket. Ihe ndị bụ isi nke ya bụ olu ziri ezi, nwere ike iguzogide ụfọdụ nrụgide, arụmọrụ dị mma, enweghị mmetụta ntụgharị mgbasa ozi.