4 mL screw top vial, nke a na-akpọkwa vial mkpofu ma ọ bụ vial, a na-ejikarị akwọ agịga nke autosamplers. A na-arụpụta Vial 4ml anyị site na Ụdị I Borosilicate Glass, nke na-emezu ihe niile USP, JP, na EP Pharmacopeia chọrọ.
Nkọwapụta bụ ụkpụrụ mba ụwa, nke dabara na autosamplers nke Aijiren, Worcester, Shimadzu na Thermo Fisher. Ngwaahịa ahụ dị ọcha, nkwakọ ngwaahịa na-enweghị uzuzu, ọ nweghị ihe nhicha ọzọ achọrọ, enwere ike iji ya ozugbo na igwe