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乙异羟肟酸辐解产生的氢气和一氧化碳的定性定量分析

Qualitative and Quantitative Analysis of Hydrogen and Carbon Monoxide Produced from Radiolysis of Acetohydroxamic Acid in Aqueous Solution

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【作者】 张兵王锦花包伯荣吴明红吴君萍郑卫芳

【Author】 ZHANG Bing~1,WANG Jin-hua~2,BAO Bo-rong~1,WU Ming-hong~2,WU Jun-ping~2,ZHENG Wei-fang~3(1.School of Sciences,Shanghai University,Shanghai 200444,China;2.School of Enviromental and Chemical Engineering,Shanghai University,Shanghai 201800,China;3.China Institute of Atomic Energy,Beijing 102413,China)

【机构】 上海大学理学院上海大学环境与化学工程学院中国原子能科学研究院放射化学研究所 上海200444上海201800上海200444北京102413

【摘要】 该文用0.5 nm分子筛填充柱与热导型检测器(TCD)联用的气相色谱法定性定量分析了乙异羟肟酸水溶液辐解产生的氢气和一氧化碳.结果表明:当乙异羟肟酸浓度为0.1~0.5 mol/L、剂量为10~1 000 kGy时,氢气体积分数与乙异羟肟酸浓度的关系不大.当剂量低于500 kGy时,氢气体积分数随剂量增大而增大,但当剂量大于500 kGy时,氢气体积分数与剂量的关系不明显.一氧化碳只有在较高剂量时才产生,且体积分数很低.

【Abstract】 Qualitative and quantitative analyses of hydrogen and carbon monoxide produced from the radiolysis of AHA in aqueous solution are reported.Studies were performed using chromatography.A 2 m column packed with 0.5 nm molecular sieve and a thermal conductivity detector were used.The results show that volume fraction of hydrogen is very high when concentration of AHA is in the range of 0.1~0.5 mol/L and the dose is(10~1 000 kGy).Volume fraction of hydrogen is not closely related with AHA concentration.Volume fraction of hydrogen increases with the increase of dose when the dose is below 500 kGy,but is less dependent on the dose when the dose is higher than 500 kGy.Carbon monoxide is produced only when the dose is relatively high,and its volume fraction is very low.

  • 【文献出处】 上海大学学报(自然科学版) ,Journal of Shanghai University(Natural Science Edition) , 编辑部邮箱 ,2006年04期
  • 【分类号】O655
  • 【被引频次】3
  • 【下载频次】143
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