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本文就以对苯二甲酸二甲酯为原料生产涤纶纤维的合成化纤残渣进行了GC／MS分析，得到15个组份的分析鉴定结果及总离子流图的相关归一化的含量，特别是对其中邻苯二甲酸二甲酯、对苯二甲酸二甲酯、间苯二甲酸二甲酯三种异构作的确认进行了讨论。
In this paper, dimethyl terephthalate as raw material for the production of synthetic chemical fiber residue of synthetic fiber by GC / MS analysis, analysis and identification results of 15 components and total ion current diagram of the relevant normalized content, especially The confirmation of the isomerization of dimethyl phthalate, dimethyl terephthalate and dimethyl isophthalate is discussed.