In situ kuwomba njira pogwiritsa ntchito headspace njira mu botolo, ndi chitsanzo jekeseni voliyumu 25ml kapena kuposa, oyenera mabotolo zitsanzo 40ml/60ml;
Kujambula kwamayendedwe atatu ndi gawo la desorption, lomwe limatha kujambula zitsanzo zitatu kapena zingapo nthawi imodzi;
Gawo lakunja la gasi limapereka mpweya wowunikira, kuyesa kokhazikika, ndi maziko okhazikika;
Thermal desorption system imatenga makina otenthetsera amphamvu kwambiri okhala ndi mawonekedwe otenthetsera kutentha, ndipo kutentha kwa kutentha kumakhala kofanana. Youma kuyeretsa ndondomeko, argon mpweya kumbuyo kuwomba msampha pa kutentha kupewa kuwoloka kuipitsidwa;
Kuzindikira kolowera kwamadzi amadzimadzi kuti mupewe nthunzi wamadzi kulowa mu chubu laTenax ndi chromatographic column.