全二维气相色谱质谱联用检验柴油

GUO Ya-kun,ZHU Jun,ZHANG Guan-nan,SUN Zhen-wen,QIAO Ting,YANG Rui-qin,LIU Zhan-fang,ZHOU Chong-yang

Chinese Journal of Analysis Laboratory（2018）

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Abstract

采用全二维气相色谱质谱联用技术对柴油进行了分离定性,并对比分析了在不同程序升温速率、调制解调周期、色谱柱极性等条件下的分离情况,进而对实验条件进行了优化.实验发现在同一色谱柱条件下,改变调制解调周期对一维方向上分离情况影响不大,对二维方向上分离情况影响较为明显;不同极性色谱柱对柴油分离情况存在明显差异.并对柴油的组成成分进行了分析,并测算了其主要成分的相对比例关系,为今后不同型号、产地柴油的区分打下基础.

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Key words

Comprehensive two-dimensional gas chromatography mass spectrometry,Diesel,Composition analysis,Modulation and demodulation cycle,Column

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