| 正辛醇的γ辐照稳定性及辐解产物分析 |
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| 引用本文： | 俞初红,张佳玮,戴静,彭静,李久强,翟茂林.正辛醇的γ辐照稳定性及辐解产物分析[J].物理化学学报,2010,26(4). |
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| 作者姓名： | 俞初红 张佳玮 戴静 彭静 李久强 翟茂林 |
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| 作者单位： | 北京大学化学与分子工程学院,北京分子科学国家实验室,北京,100871 |
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| 摘 要： | 在高放射性废液后处理的萃取工艺中,正辛醇被认为是具有应用前景的稀释剂之一,而研究其γ辐射效应对指导其实际应用具有重要意义.本文对N_2环境下γ辐照后的正辛醇进行了紫外-可见(UV-Vis)光谱和傅里叶变换红外(FTIR)光谱研究.结果表明正辛醇在100 kGy以下辐照后化学结构未发生变化,而吸收剂量增至300kGy时有羰基化合物生成.通过色谱(GC)和色质联用(GC-MS)进一步分析了高剂量(600 kGy)辐照后正辛醇的气体及液体辐解产物,发现主要气体产物为H_2,并伴有微量的CO_2和CH_4;主要液体产物为正辛醛,其占未辐解正辛醇的质量百分含量小于1%,并伴有少量正庚烷和8-羟基十五醇.对辐照后正辛醇的化学结构及辐解产物的分析表明,正辛醇在氮气下经γ辐照后,主要发生α碳原子上的C-H键断裂,并伴有β碳原子上的C-C键断裂.此外,抽氢反应也是正辛醇辐解的重要途径.
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| 关 键 词： | 化学结构 正辛醇 辐照稳定性 γ辐解产物 色谱分析 γ-Radiolysis product |
Radiation Stability and Analysis of Radiolysis Product of 1-Octanol |
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| YU Chu-Hong ZHANG Jia-Wei DAI Jing PENG Jing LI Jiu-Qiang ZHAI Mao-Lin.Radiation Stability and Analysis of Radiolysis Product of 1-Octanol[J].Acta Physico-Chimica Sinica,2010,26(4). |
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| Authors: | YU Chu-Hong ZHANG Jia-Wei DAI Jing PENG Jing LI Jiu-Qiang ZHAI Mao-Lin |
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| Institution: | YU Chu-Hong ZHANG Jia-Wei DAI Jing PENG Jing LI Jiu-Qiang ZHAI Mao-Lin (Beijing National Laboratory for Molecular Sciences,College of Chemistry , Molecular Engineering,Peking University,Beijing 100871,P.R.China) |
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| Abstract: | 1-Octanol is a promising solvent for the extraction of high-level radioactive waste from nuclear fuel reprocessing and a study of radiation effects on 1-octanol is necessary before its industrial application in high-radiation environments.In this work,UV-Vis spectroscopy and Fourier transform infrared (FTIR) spectroscopy were used to investigate the radiation stability of 1-octanol in nitrogen for the first time.Results indicate that 1-octanol is chemically stable at a dose of 100 kGy and that compounds con... |
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| Keywords: | Chemical structure 1-Octanol Radiation stability Chromatographic analysis |
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