I-20mm ye-cipp-ephezulu ye-vials luhlobo oluthile lwe-vial esetyenziswe kwi-vial chromatography (GC) kunye nohlalutyo lwentloko.
Ezi vils zenzelwe ukubamba iisampulu zohlalutyo ezifuna ukwenziwa kwesampulu ye-EREAT, equka ukuhlalutya amacandelo okuzonwabisa ngaphezulu kwesampulu okanye isampulu eqinileyo.
I-20mm ye-villap-ephezulu ye-vials isetyenziswa ngokubanzi kumashishini ahlukeneyo, kubandakanya amayeza, ukutya kunye nesiselo, esingqongileyo, kunye nohlalutyo lwe-pronsic.
Benza ukuba uhlalutyo oluchanekileyo noluthembekileyo lweesampuli, zibonelela ngolwazi oluxabisekileyo kulawulo olusemgangathweni, ukhuseleko, kunye nophando.