I-cap ye-vial ene-threaded inokuba nokuvula ukusetyenziswa kwe-autosampler kunye nokudibanisa okusemgangathweni, okanye i-polypropylene cap kunye ne-membrane inokubonelelwa. Ezi zigqoko zokubhoboza ze-screw zenzelwe ukusetyenziswa ngexesha elinye, kwaye ngenxa yokuba akukho zivalo kunye nezitywina zokudibanisa, ixesha lokulungiselela isampuli liyancitshiswa.