高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (9): 1455.

• 研究快报 • 上一篇    下一篇

正戊烷与SO2气相光化学反应自由基机理的ESR验证

徐自力1, 尚静1, 刘春明1, 社尧国1, 王玲2, 郭海忱2, 董凤霞2, 李文艳2   

  1. 1. 吉林大学环境科学系, 长春 130023;
    2. 吉林大学分析测试中心, 长春 130023
  • 收稿日期:1999-03-23 出版日期:1999-09-24 发布日期:1999-09-24
  • 通讯作者: 徐自力,女,35岁,博士,副教授.
  • 作者简介:徐自力,女,35岁,博士,副教授.
  • 基金资助:

    国家自然科学基金(批准号:29177272)资助课题

A Verification of Free Radical Mechanism in the Photochemical Reaction of n-Pentane Sulfur Dioxide by ESR

XU Zi-Li1, SHANG Jing1, LIU Chun-Ming1, DU Yao-Guo1, WANG Ling2, GUO Hai-Chen2, DONG Feng-Xia2, LI Wen-Yan2   

  1. 1. Department of Environmetnal Science, Jilin University, Changchun 130023, China;
    2. Analytical and Testing Center, Jilin University, Changchun 130023, China
  • Received:1999-03-23 Online:1999-09-24 Published:1999-09-24

关键词: ESR, 自旋捕集, 光化学反应, SO2, 正戊烷

Abstract: The gaseous photochemical reaction of n-pentane and sulfur dioxide was studied.Aseries of gaseous products such as alcohols, ketones, acids, esters and inorganic compound were identified by GC/MS and GC.According to the characters of the compounds and the free radical theory, the free radical mechanism of this gaseous photochemical reaction was suggested.The free radical mechanism was verified directly by means of the gaseous free radicals measured by spin trapping-ESR methods in which PBN was selected as the spintrap.

Key words: ESR, Spin trapping, Photochemical reaction, Sulfur dioxide, n-Pentane

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