用脉冲辐解研究9,10-菲醌的单电子还原性质

包华影; S. Navaratnam; B. J. Parsons; G. O. Phillips

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用脉冲辐解研究9,10-菲醌的单电子还原性质

研究论文 | 更新时间：2023-04-23

- 用脉冲辐解研究9,10-菲醌的单电子还原性质
- ONE ELECTRON REDUCTION OF 9,10-PHENANTHRENE QUINONE STUDIED BY PULSE RADIOLYSIS
- Journal of Radiation Research and Radiation Processing 1997年15卷第1期页码：10-14
- 作者机构：
  
  1.北京师范大学化学系北京 100875
  2.Faculty of Science and Technology, The North East Wales Institute, Plas Coch, Wrexham, Clwyd LL 11 2 AW, UK
- 作者简介：
- 基金信息：
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包华影, S. Navaratnam, B. J. Parsons, 等. 用脉冲辐解研究9,10-菲醌的单电子还原性质[J]. Journal of Radiation Research and Radiation Processing, 1997,15(1):10-14.

Bao Huaying, S. Navaratnam, B. J. Parsons, et al. ONE ELECTRON REDUCTION OF 9,10-PHENANTHRENE QUINONE STUDIED BY PULSE RADIOLYSIS[J]. 辐射研究与辐射工艺学报, 1997,15(1):10-14.
包华影, S. Navaratnam, B. J. Parsons, 等. 用脉冲辐解研究9,10-菲醌的单电子还原性质[J]. Journal of Radiation Research and Radiation Processing, 1997,15(1):10-14. DOI：

Bao Huaying, S. Navaratnam, B. J. Parsons, et al. ONE ELECTRON REDUCTION OF 9,10-PHENANTHRENE QUINONE STUDIED BY PULSE RADIOLYSIS[J]. 辐射研究与辐射工艺学报, 1997,15(1):10-14. DOI：

摘要

用脉冲辐解技术研究了水溶液中的9,10-菲醌(PhQ)单电子还原性质, 给出了PhQ半醌阴离子和中性自由基的吸收光谱, 中性自由基的酸解离常数, 以及PhQ的单电子还原电位. 还研究了PhQ半醌自由基的生成动力学, 获得了水化电子和异丙醇自由基与PhQ反的二级速率常数. 同时还获得了PhQ半醌自由基的衰变速率常数.

Abstract

One-electron reductions of 9,10-phenanthrenequinone （PhQ） in aqueous solution have been studied using pulse radiolysis. In this paper, we present the absorption spectra of PhQ semiquinone anionic and neutral forms, pK,4, of the semiquinone neutral form and one-electron reduction potentials of PhQ at neutral pH. We have also studied the formation and kinetics of the semiquinone. The bimolecular rate constants of e,4q,-, and （CH,3,）,2, COH with PhQ and the decay rate constants of PhQ semiquinones are obtained.

关键词

脉冲辐解910-菲醌单电子还原

Keywords

Pulse radiolysis910-PhenanthrenequinoneOne-electron reduction

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