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1·This paper describes the analytical method using gas -chromatography for systems of temperature swing extraction with n-dodecane, 1, 3.5-trimethyl benzene and tri-ethylene glycol.

本文描述了变温革取法用三甘醇分离正十二烷和1,3,5—三甲苯时样品的气相色谱分析方法。