| UV-vis光照下唑类抗菌药氟康唑的光化学反应类型 |
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| 引用本文： | 葛林科,李凯,杨凯,那广水,于春艳,张蓬,姚子伟.UV-vis光照下唑类抗菌药氟康唑的光化学反应类型[J].环境科学,2013,34(8):3132-3136. |
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| 作者姓名： | 葛林科 李凯 杨凯 那广水 于春艳 张蓬 姚子伟 |
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| 作者单位： | 1. 国家海洋环境监测中心,国家海洋局近岸海域生态环境重点实验室,大连116023
2. 国家海洋环境监测中心,国家海洋局近岸海域生态环境重点实验室,大连116023;大连海洋大学海洋科技与环境学院,大连116023 |
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| 基金项目： | 国家自然科学基金项目(21007013, 21107019);国家海洋局近岸海域生态环境重点实验室开放基金项目(201007);国家海洋局青年海洋科学基金项目(2012501) |
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| 摘 要： | 以唑类抗菌药氟康唑为模型化合物,考察了其在纯水中的光降解动力学和光化学反应类型,发现模拟日光(λ>290nm)照射下氟康唑未发生光解,在UV-vis(λ>200 nm)光照下,氟康唑发生了光降解并服从准一级反应动力学.采用活性氧物种猝灭实验和竞争动力学方法,研究发现氟康唑发生了直接光解和·OH参与的自敏化光解,氟康唑与.OH的反应速率常数为(5.95±0.58)×109L·(mol·s)-1,表层水体中相应的半减期为(32.41±3.16)h·通过鉴定光解产物,得知氟康唑发生了脱氟、光致水解、光氧化等光化学反应.
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| 关 键 词： | 氟康唑 直接光解 自敏化光解 羟基自由基 产物 |
| 收稿时间： | 2012/11/5 0:00:00 |
| 修稿时间： | 2013/1/22 0:00:00 |
Photochemical Reaction Types of the Azole Fungicide Fluconazole Under UV-vis Irradiation |
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| GE Lin-ke,LI Kai,YANG Kai,NA Guang-shui,YU Chun-yan,ZHANG Peng and YAO Zi-wei.Photochemical Reaction Types of the Azole Fungicide Fluconazole Under UV-vis Irradiation[J].Chinese Journal of Environmental Science,2013,34(8):3132-3136. |
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| Authors: | GE Lin-ke LI Kai YANG Kai NA Guang-shui YU Chun-yan ZHANG Peng and YAO Zi-wei |
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| Institution: | Key Laboratory for Ecological Environment in Coastal Areas (SOA), National Marine Environmental Monitoring Center, Dalian 116023, China;Key Laboratory for Ecological Environment in Coastal Areas (SOA), National Marine Environmental Monitoring Center, Dalian 116023, China;College of Ocean Technology and Environment, Dalian Ocean University, Dalian 116023, China;Key Laboratory for Ecological Environment in Coastal Areas (SOA), National Marine Environmental Monitoring Center, Dalian 116023, China;College of Ocean Technology and Environment, Dalian Ocean University, Dalian 116023, China;Key Laboratory for Ecological Environment in Coastal Areas (SOA), National Marine Environmental Monitoring Center, Dalian 116023, China;Key Laboratory for Ecological Environment in Coastal Areas (SOA), National Marine Environmental Monitoring Center, Dalian 116023, China;Key Laboratory for Ecological Environment in Coastal Areas (SOA), National Marine Environmental Monitoring Center, Dalian 116023, China;Key Laboratory for Ecological Environment in Coastal Areas (SOA), National Marine Environmental Monitoring Center, Dalian 116023, China |
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| Abstract: | |
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| Keywords: | fluconazole direct photolysis self-sensitized photolysis hydroxyl radical intermediates |
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