HPLC micro-vial, nke a makwaara dị ka obere chromatography mmiri na-arụ ọrụ dị elu, bụ obere akpa ejiri na kemịka nyocha maka nyocha nke nlele site na HPLC. HPLC bụ usoro chromatographic a na-ejikarị eme ihe nke na-ekewa ma na-akọwapụta ihe mejupụtara ya na ngwakọta dabere na mmekọrịta ha na oge kwụ ọtọ na usoro mkpanaka.
Micro-vial bụ obere iko ma ọ bụ akpa rọba emebere iji jide obere ihe nlele mmiri, nke na-adịkarị n'etiti microliters (μL) ruo milliliters ole na ole (mL).