Misoro yemishonga ndeyemhando yemarabhoritori vials inoshandiswa kune gasi chromatography kuongorora. Ivo vakagadzirirwa kuve nekodhi diki yemuenzaniso uye mumusoro (iyo nzvimbo pamusoro pemuenzaniso) yekuongororwa kweiyo yakajeka makomendi. Aya mavuru kazhinji ane screw cap ine septum, inobvumira jekiseni regesi kana tsono yekumanikidza. Mirairo yemusoro anoshandiswa kuongorora zvisingaite organic makomputa (Vocs) mumasampuli akasiyana, akadai semunharaunda, mishonga, uye samples yekudya.
Varume veGC vanowanzogadzirwa negirazi kana dzimwe nguva mapurasitiki, uye vanouya mumhando dzakasiyana siyana uye maumbirwo kuti vagare zvakasiyana mumienzaniso uye nzira dzekurongedza. Ivo vanowanzove ne screw cap ine septum, iyo inobvumira jekiseni remuenzaniso kana tsono ye sampling.