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    188宝金博页面版: Determination of 3 NO

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    内容提示： Advances in Analytical Chemistry 分析化学进展, 2016, 6(3), 68-78 Published Online August 2016 in Hans. http://www.hanspub.org/journal/aac http://dx.doi.org/10.12677/aac.2016.63011 文章引用: 程充, 朱海巧, 张倩慈. 三氧化铀中硝酸根的拉曼光谱定量分析[J]. 分析化学进展, 2016, 6(3): 68-78. http://dx.doi.org/10.12677/aac.2016.63011 Determination of 3NO ? ? in UO 3 by Raman Spectroscopy Chong Cheng, Haiqiao Zhu, Qianci Zhang China Institute of Atomic Energy, Beijing Received: Aug. 8 th , 2016; accepte...

    文档格式：PDF | 页数：11 | 浏览次数：20 | 上传日期：2016-11-23 06:54:32 | 文档星级：
    Advances in Analytical Chemistry 分析化学进展, 2016, 6(3), 68-78 Published Online August 2016 in Hans. http://www.hanspub.org/journal/aac http://dx.doi.org/10.12677/aac.2016.63011 文章引用: 程充, 朱海巧, 张倩慈. 三氧化铀中硝酸根的拉曼光谱定量分析[J]. 分析化学进展, 2016, 6(3): 68-78. http://dx.doi.org/10.12677/aac.2016.63011 Determination of 3NO − − in UO 3 by Raman Spectroscopy Chong Cheng, Haiqiao Zhu, Qianci Zhang China Institute of Atomic Energy, Beijing Received: Aug. 8 th , 2016; accepted: Aug. 27 th , 2016; published: Aug. 30 th , 2016 Copyright © 2016 by authors and Hans Publishers Inc. This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/ Abstract A new method via Raman spectroscopy for determination of 3−NO in Uranium trioxide was de-veloped. Acetic acid was selected as the leaching agent and the internal standard, and the concen-tration of 3−NO can be quantified by the Raman band of 3−NO (1048 cm −1 ) and CH 3 COO − (2948 cm −1 ). A good linear relationship is obtained between the Raman Relative Intensity ratio of 3−NO and CH 3 COO − and the concentration of 3−NO in the range of 0.02~1 mol/L, with the r 2 = 0.997. The RSD was not more than 1.1% (n = 6) for detection of 0.1 mol/L HNO 3 with 1 mol/L acetic acid. When the amount of acetic acid added was determined, the concentration of nitrate in the Ura-nium trioxide sample could be obtained according to the amount of sample and Raman intensity ratio of these two substances. The detection limit was 0.005 mol/L. With the advantage of simple and rapid detection, this method is applicable for in-situ detection of 3−NO in Uranium trioxide samples. Keywords Raman Spectra, The Quantitatively Detection of Nitrate Ion, Internal Standard Method, Leaching Method 三氧化铀中硝酸根的拉曼光谱定量分析 程 程 充，朱海巧，张倩慈

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