I-9mm Screw conical micro-vial yovavanyo lwe-lab chromatography, ubungakanani be-micro-vial yi-11.6x32mm. Umgangatho ophezulu weglasi yeglasi yohlalutyo lwe-HPLC\/GC. I-0.3 ml ecacileyo okanye i-amber glass micro insert ifakwe kwi-2ml yeglasi yeglasi.