1.5ml Viat Screacsa olu olu, 8-425 eri, 11.6 * Mwepụta na Dromatography Chromato, gas chromatography. A na-eji okwu mkpuchi Aijeinreen mara mma nke a na-eji mara mma nke eji eme ihe, ọkachasị ojiji nke usoro okwu mmeghe akpaghị aka, yabụ, a na-akpọkwa ụdị vial a na-akpaghị aka vial. Na vial a na-ahụ anya dị oke mma. Valiclele nlele nke 1.5mL na-ekwukarị bụ 2ML olu olu olu olu.