气相色谱法测定依达拉奉合成原料乙酰乙酸乙酯中的丙酮溶剂残留
기상색보법측정의체랍봉합성원료을선을산을지중적병동용제잔류
Determination of Residual Acetone in Acetoacetic Ester (the raw Material for the Synthesis of Edaravone) by Gas Chromatography