I-Screw Caps ezifakwe kule khithi zigqunywe emacaleni ukuze zibambe kwaye zithuthuzeleke xa ufaka isicelo kwi-vial. I-rubber ye-silicone / i-PTFE septa esetyenzisiweyo yenzelwe ukubonelela umlinganiselo ochanekileyo wokuchasana kwiinaliti ze-autosampler ngexesha lenkqubo yokutofa ukuze zingene kwi-vial ngokufanelekileyo ngaphandle kokonakalisa i-septa okanye inaliti yenaliti. Ukuchasana kakhulu okanye okuncinci kakhulu kwiinaliti kunokonakalisa i-septa, ukubuyisela ukulungelelaniswa kwakhona, kubangela ukuvaleka kwenaliti kwi-coring yezinto ze-septa kunye nokonakalisa i-autosampler yakho. Ezi septa zisebenza naxa zisebenzisa uluhlu olubanzi lweenaliti: zilungile, zibuthuntu okanye zibuthuntu. Isampulu ephantsi okanye ukusebenza kwe-solvent evaporation nasemva kweenaliti ezininzi ziye zabonwa xa usebenzisa ii-aijiren caps.