Le ND8 ifakwe kwisampulu yesampulu ye-borosilicate yeglasi inokuvulwa kwe-8mm, ubude obuyi-32mm kunye ne-11.6mm ezantsi ububanzi. Ixhotyiswe nge-1.5mm PTFE\/silicone septum kunye ne-PP screw cap, ifezekisa ubungqina obuthembekileyo bokuvuza kunye nokuhambelana okubanzi kweekhemikhali. Yenzelwe ngokukodwa ii-GC\/HPLC ii-autosamplers, umsonto ochanekileyo wenza ukuba kuvalwe ngokukhawuleza, ngaphandle kwesixhobo, ukwenza lula iinkqubo zokusebenza zesampulu.