2ml ịghasa ngwa agha vial na-ezo aka n'ụdị VIal akọwapụtara na ụlọ nyocha maka nchekwa na nyocha nke ihe nlele. Ezubere ya na autosamplers, nke a na-eji akpaghị aka eme ihe maka njikwa na ntụtụ ahụ na-eme nyocha dị ka gas chromatographs (lc).
"2ml" na-ezo aka na olu ugwu Vial, nke bụ 2 Milliliter. Olu a na-egosi ike kachasị nke vial. Valy na-enwe iko doro anya ma ọ bụ mgbe ụfọdụ osisi a na-ewu mmiri, na-enye ohere maka visibility. VIALS bụ cylindrical na udi ya na acrage cert na elu nke olu.