Study on the reaction of carbon disulfide with hydroxyl radical in aqueous solution

FANG Haojie; OUYANG Bin; QIN Yan; DONG Wenbo; HOU Huiqi

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Study on the reaction of carbon disulfide with hydroxyl radical in aqueous solution

机译：水溶液中二硫化碳与羟基自由基反应的研究

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The laser flash photolysis technique is employed to investigate the reaction mechanism of CS_2 with ·OH in the nitrogen-saturated aqueous solution. By comparison of the transient absorption spectra obtained at different phases and pHs and through the addition of proper radical cation scavenger, CS_2 is determined to react with ·OH to form ·CS_2OH adduct, instead of the CS_2~+ radical cation. At pH 1—5, ·CS_2OH decomposes into COS and ·HS, while at pH > 5, it further reacts with OH~- to form CS_2O~-. The temperature dependent kinetics for the reaction CS_2 + ·OH → ·CS_2OH is also reported in this paper with an estimated activation energy of (26.9 ± 1.0) kJ·mol~(-1).

机译：采用激光闪光光解技术研究了CS_2与·OH在氮饱和水溶液中的反应机理。通过比较在不同相和pH下获得的瞬态吸收光谱，并通过添加适当的自由基阳离子清除剂，确定CS_2与·OH反应形成·CS_2OH加成物，而不是CS_2〜+自由基阳离子。在pH 1-5时，·CS_2OH分解为COS和·HS，而在pH> 5时，它又与OH〜-反应形成CS_2O〜-。还报道了反应CS_2 +·OH→·CS_2OH的温度依赖性动力学，估计活化能为（26.9±1.0）kJ·mol〜（-1）。

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来源
《Chinese science bulletin》 |2005年第24期|p.2832-2835|共4页
作者
FANG Haojie; OUYANG Bin; QIN Yan; DONG Wenbo; HOU Huiqi;
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作者单位

Environment Science Institute, Fudan University, Shanghai 200433, China;

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原文格式 PDF
正文语种 eng
中图分类自然科学现状及发展;
关键词
laser flash photolysis; aqueous phase; CS_2; ·OH;

机译：激光闪光光解;水相;CS_2;·OH;

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1. Study on the reaction of carbon disulfide with hydroxyl radical in aqueous solution [J] . FANG Haojie, OUYANG Bin, QIN Yan, Chinese science bulletin . 2005,第24期

机译：水溶液中二硫化碳与羟基自由基反应的研究
2. Study on the reaction of carbon disulfide with hydroxyl radical in aqueous solution [J] . FANG Haojie, OUYANG Bin, QIN Yan, Chinese science bulletin . 2005,第24期

机译：水溶液中二硫化碳与羟基自由基反应的研究
3. Density functional theory study of the oxidation reaction in the gas and aqueous phase of allyl methyl disulfide with hydroxyl radical [J] . Diaz Mario G., Andrada Matias F., Vega-Hissi Esteban G., Structural Chemistry . 2019,第1期

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8. Selected Specific Rates of Reactions of Transients from Water in Aqueous Solution. III. Hydroxyl Radical and Perhydroxyl Radical and Their Radical Ions, [R] . ross, farhataziz ross, alberta b. 1977

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Study on the reaction of carbon disulfide with hydroxyl radical in aqueous solution

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