Okpu nke ịghasa nke Aijiren mepụtara nwere ike ịnweta oghere maka autosampler na mgbakwunye ọkọlọtọ, ma ọ bụ ha nwere ike ịnwe elu siri ike maka ịchekwa ihe nlele. Okpu polypropylene na ihe nkiri dịkwa. Emebere mkpuchi mkpuchi mkpuchi ndị a maka otu oge, yana n'ihi na enweghị mkpuchi na mkpuchi iji gbakọta, oge nkwadebe sample na-ebelata.