Ｎ－甲基吡咯烷酮、α－吡咯烷酮合成物系气相色谱分析邱立勤，米镇涛，张香文（天津大学天津石油化工技术开发中心天津３０００７２）１前言Ｎ－甲基吡咯烷酮（ＮＭＰ）具有高极性、高化学稳定性及热稳定性，是重要的工业溶剂，可广泛应用于有机化合物萃取、润滑油精制、... N-methylpyrrolidone and α-pyrrolidone QIU Li-qin, MI Zhen-tao, ZHANG Xiang-wen (Tianjin Petrochemical Technology Development Center, Tianjin University, Tianjin 300072) 1 Introduction N-methylpyrrolidone (NMP) has high polarity and high Chemical stability and thermal stability, is an important industrial solvent, can be widely used in organic compound extraction, lubricating oil refining, ...