I-18mm Screw Top Headspace Vial ekhiqizwe i-Aijiren yenziwe ngengilazi yekhwalithi ephezulu ye-borosilicate hydrochloric acid, ekwazi ukumelana namazinga okushisa aphakeme futhi ayigogeki kalula, futhi ine-inert ngokwedlulele. Futhi ukucinana okuqinisekiswe yi-Screw’s caliber kuvimbela igesi ekuchichimeni phakathi ne-gas chromatography. I-Septa isebenzisa okokusebenza okunezinhlangothi ezimbili okungelula ukukonakalisa, futhi inaliti yesampula akulula ukuwa lapho ibhobozwa.