喷气燃料裂解产物中芳烃的全二维气相色谱-质谱分析

引用本文: 李海静, 张香文. 喷气燃料裂解产物中芳烃的全二维气相色谱-质谱分析[J]. 色谱, 2017, 35(8): 867-874. doi: 10.3724/SP.J.1123.2017.04002 shu

Citation: LI Haijing, ZHANG Xiangwen. Analysis of aromatic hydrocarbons in cracking products of jet fuel by comprehensive two-dimensional gas chromatography-mass spectrometry[J]. Chinese Journal of Chromatography, 2017, 35(8): 867-874. doi: 10.3724/SP.J.1123.2017.04002 shu

喷气燃料裂解产物中芳烃的全二维气相色谱-质谱分析

李海静 ,
张香文

天津大学绿色合成与转化教育部重点实验室, 天津 300072
基金项目:
国家自然科学基金项目（U1462119，2476168）.

摘要: 采用全二维气相色谱-质谱联用仪（GC×GC-MS），通过优化程序升温和调制周期，建立了喷气燃料裂解产物中芳烃的定性定量分析方法。该方法对多环芳烃（PAH）同分异构体具有良好的分离能力。利用MS检测器谱库检索结果、芳烃标准品及相关的文献报道，对喷气燃料裂解产物中常见的单环芳烃、二环芳烃、三环芳烃及四环芳烃等共27种芳烃进行了准确定性，并利用外标GC×GC-FID法对其进行定量。定量结果表明，芳烃含量均随着裂解产气率的增加而增大，当裂解产气率达到22%时，二环芳烃开始产生，且其含量随着裂解产气率的增加呈指数形式增加。该方法与传统的气相色谱-质谱相比，具有更好的分离及定性能力，可应用于复杂样品的分离及其定性定量分析。

关键词:

English

Analysis of aromatic hydrocarbons in cracking products of jet fuel by comprehensive two-dimensional gas chromatography-mass spectrometry

Key Laboratory of Green Chemical Technology of Ministry of Education, Tianjin University, Tianjin 300072, China
Received Date: 01 April 2017
Fund Project:
National Natural Science Foundation of China (Nos. U1462119, 2476168).

Abstract: As coking precursors, aromatic hydrocarbons have an effect on the cracking stability of fuels. A method for identifying and quantitating aromatics in the supercritical cracking products of jet fuel was established by comprehensive two-dimensional gas chromatography coupled with mass spectrometry (GC×GC-MS). The effects of main chromatographic conditions such as initial oven temperature and modulation period on the separation of supercritical cracking products were studied. The method has good separation ability for polycyclic aromatic hydrocarbons (PAH) isomers. A total of 27 aromatics, including monocyclic aromatic hydrocarbons, bicyclic aromatic hydrocarbons, tricyclic aromatic hydrocarbons, tetracyclic aromatic hydrocarbons, etc., were identified based on standard mass spectra, the retention times of standards and literature reports. Moreover, the corresponding quantitative determination was achieved by external standard method of GC×GC-FID. The results showed that the contents of aromatics increased with the increase of gas yield. When gas yield reached 22%, the bicyclic aromatic hydrocarbons began to produce, and their contents increased exponentially with the increase of gas yield. Compared with the traditional GC-MS, the method has better separation and qualitative ability, and can be applied to the separation of complex samples and qualitative and quantitative analyses of cracking products.

Key words:

comprehensive two-dimensional gas chromatography (GC×GC)
/ mass spectrometry (MS)
/ aromatics
/ jet fuel
/ cracking products

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喷气燃料裂解产物中芳烃的全二维气相色谱-质谱分析

English

Analysis of aromatic hydrocarbons in cracking products of jet fuel by comprehensive two-dimensional gas chromatography-mass spectrometry

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喷气燃料裂解产物中芳烃的全二维气相色谱-质谱分析

English

Analysis of aromatic hydrocarbons in cracking products of jet fuel by comprehensive two-dimensional gas chromatography-mass spectrometry

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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