Ama-CAPS for isikulufu sontambo se-vials ayatholakala ngomgodi ovulekile wokusetshenziswa kwe-autosampler kanye nokungezwa okujwayelekile noma ngenhla eqinile yesitoreji sesampula. I-Teflone ne-Silicone Rubber noma i-silicone engcolile ye-ultra-emsulwa isetshenziswa njengezinto ezingavuthiwe ukuqinisekisa ukuthi i-Septa ayinobuthi; Ukuqinisekisa imisebenzi emihle kakhulu, ilungele ikakhulukazi i-chromatography yegesi, futhi iqinisekise ukuthi i-septum ayiweli ku-vial yesampula ngesikhathi senqubo yomjovo.
Inqubo yokufaka isibopho esinama-adhesive-free isetshenziselwa ukuhlanganisa i-polytetrafluoroethylene membrane kanye ne-silicon rubber noma i-silicone bond ndawonye ukuze kugcinwe izici ezinhle kakhulu zezinto ezimbili. Isendlalelo se-polytetrafluoroethyleneneenene ye-septum yenhlanganisela ukuxhumana ne-reagent. I-inert yamakhemikhali futhi imelana ne-acid, i-alkali, lokushisa, kanye nokunamathela. Akusebenzi nge-acid ehlanganisiwe, egxile i-alkali, noma ama-oxidants aqinile ngisho nasekushiseni okuphezulu. Ngasikhathi sinye, ukunwebeka kwe-silicone rubber noma ungqimba lwe-silicone kungaqinisekisa ukusebenza kokubekwa uphawu.