| 低硼富含有机质的河/雨水正热电离硼同位素的测定 |
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| 引用本文： | 贺茂勇,肖应凯,赵志琦,马云麒,肖军,张艳灵,罗重光,马海州.低硼富含有机质的河/雨水正热电离硼同位素的测定[J].分析化学,2011,39(4):552-555. |
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| 作者姓名： | 贺茂勇 肖应凯 赵志琦 马云麒 肖军 张艳灵 罗重光 马海州 |
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| 作者单位： | 中国科学院地球环境研究所黄土与第四纪国家重点实验室;中国科学院青海盐湖研究所中国科学院盐湖资源与化学重点实验室;中国科学院地球化学研究所环境地球化学国家重点实验室; |
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| 基金项目： | 国家自然科学基金(No.40976074); 环境地球化学国家重点实验室开放基金(No.SKLEG9007)资助项目 |
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| 摘 要： | 对低硼富含有机质的河/雨水样品硼的分离方法及硼同位素组成的测定进行了研究.采用硼特效树脂富集河/雨水样品,结合微升华技术去除有机质;采用正热离子质谱法进行硼同位素组成的测定.全流程回收率在97.50%～101.17%之间,测试数据和多接受电感耦合等离子体质谱比较接近,测试精度小于0.05‰.经本方法处理后的样品能满足同...
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| 关 键 词： | 有机质 河/雨水 硼同位素 微升华 |
Positive Thermal Ionization Mass Spectrometric Analysis of Boron Isotope on River/Rain Water with Low Content and Rich Organic Matter |
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| HE Mao-Yong,XIAO Ying-kai,ZHAO Zhi-Qi,MA Yun-Qi,XIAO Jun,ZHANG Yan-Ling,LUO Chong-Guang,MA Hai-Zhou.Positive Thermal Ionization Mass Spectrometric Analysis of Boron Isotope on River/Rain Water with Low Content and Rich Organic Matter[J].Chinese Journal of Analytical Chemistry,2011,39(4):552-555. |
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| Authors: | HE Mao-Yong XIAO Ying-kai ZHAO Zhi-Qi MA Yun-Qi XIAO Jun ZHANG Yan-Ling LUO Chong-Guang MA Hai-Zhou |
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| Institution: | HE Mao-Yong1,2,3,XIAO Ying-kai2,ZHAO Zhi-Qi3,MA Yun-Qi2,XIAO Jun1,ZHANG Yan-Ling2,LUO Chong-Guang2,MA Hai-Zhou2 1(State Key Laboratory of Loess and Quaternary Geology,Institute of Earth Environment,Chinese Academy of Sciences,Xi'an 710075)2(Chinese Academy of Sciences Key Laboratory of Salt Lake Resources and Chemistry,Qinghai Institute of Salt Lakes,Xining 810008)3(State Key Laboratory of Environmental Geochemistry,Institute of Geochemistry,Guiyang 55... |
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| Abstract: | A method for separation and isotopic determination of boron with low content and rich organic matter in the river/rain water samples was developed.Samples were concentrated by ion exchange Amberlite IRA-743 resin.The concentrated solution was subsequently micro-sublimated for 12 h to eliminate the organic matters.Then the boron isotope ratio was determined by measuring positive Cs2BO+2 thermal ions.The average recovery was between 97.5% and 101.2%.The results that were determined by positive thermal ionizat... |
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| Keywords: | Organic matter River/rain water Boron isotope Micro-sublimation technique |
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