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作者:

Huo, Jiangbo (Huo, Jiangbo.) | Wang, Xiaoyi (Wang, Xiaoyi.) | Zhao, Jingqiang (Zhao, Jingqiang.) | Ren, Hairong (Ren, Hairong.)

收录:

EI PKU CSCD

摘要:

The semi-volatile organic compounds (SVOCs) in air can be enriched by ionic liquids. However, during the study of air sample tubes, fog and black phenomenon often appeared in the sample tubes. At the same time, analysis process was disturbed by high background values and impurity peak. To investigate the reasons above, 1-methyl acetate-3-methyl imidazolium bis (trifluoromethanesulfonyl) imides was used to improve the air-sample tubes and a series of experiments were designed. And on the basis of the ionic liquid sample tubes reuse, the sorbent tubes were desorbed at 220 and 50 ml Hemin-1 for 15 min. The vapors from the primary desorption were collected at 0 in the cold trap without sorbent. The cold trap was flash heated to 280 at 40·s-1 (temperature of 250 for the valve, no inlet split or outlet split) and the vapors were transferred via the heated transfer line (250) to the GC. The GC temperature program was 100 (held for 1 min) then increased at 10·min-1 to 200 and finally increased at 5·min-1 to 250 (held for 4 min). When the mesh of stainless steel substituted for glass fiber, the data indicates the mesh gives the better result. ©, 2015, Chemical Industry Press. All right reserved.

关键词:

Amines Desorption Ionic liquids Mesh generation Steel fibers Tubes (components) Volatile organic compounds

作者机构:

  • [ 1 ] [Huo, Jiangbo]Beijing Key Laboratory of Regional Air Pollution Control, College of Environment and Energy Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Wang, Xiaoyi]Beijing Key Laboratory of Regional Air Pollution Control, College of Environment and Energy Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Zhao, Jingqiang]Beijing Key Laboratory of Regional Air Pollution Control, College of Environment and Energy Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Ren, Hairong]Beijing Key Laboratory of Regional Air Pollution Control, College of Environment and Energy Engineering, Beijing University of Technology, Beijing; 100124, China

通讯作者信息:

  • [wang, xiaoyi]beijing key laboratory of regional air pollution control, college of environment and energy engineering, beijing university of technology, beijing; 100124, china

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来源 :

CIESC Journal

ISSN: 0438-1157

年份: 2015

卷: 66

页码: 326-331

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