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题名: Effective elimination of organic matter interference in boron isotopicanalysis by thermal ionization mass spectrometry of coral/foraminifera:micro-sublimation technology combined with ion exchange
作者: He, Maoyong ;  Jin, Zhangdong ;  Xiao, Jun
刊名: RAPID COMMUNICATIONS IN MASS SPECTROMETRY
出版日期: 2011
卷号: 25, 期号:6, 页码:743-749
英文摘要: In order to better estimate the effectiveness of micro-sublimation technology on the elimination of organic matter interference during boron isotopic analysis, a series of improved experiments was carried out using simple apparatus. Recovery rates after micro-sublimation were measured for boric acid solutions with different B contents or different B/organic matter ratios. The improved micro-sublimation procedure combined with ion-exchange technology was then used to test natural samples (coral and foraminifera) for the separation of boron. Our results show that the time taken for 100% recovery of different amounts of B differed and that the proportions of B/organic matter within the natural organic matter have little effect on the relationship between the recovery rates of B and the micro-sublimation times. The experiments further confirm that the organic matter does indeed have an effect on boron isotope analyses by positive thermal ionization mass spectrometry and that the use of micro-sublimation can effectively remove interferences from the organic matter during boron isotopic analysis. Copyright (C) 2011 John Wiley & Sons, Ltd. In order to better estimate the effectiveness of micro-sublimation technology on the elimination of organic matter interference during boron isotopic analysis, a series of improved experiments was carried out using simple apparatus. Recovery rates after micro-sublimation were measured for boric acid solutions with different B contents or different B/organic matter ratios. The improved micro-sublimation procedure combined with ion-exchange technology was then used to test natural samples (coral and foraminifera) for the separation of boron. Our results show that the time taken for 100% recovery of different amounts of B differed and that the proportions of B/organic matter within the natural organic matter have little effect on the relationship between the recovery rates of B and the micro-sublimation times. The experiments further confirm that the organic matter does indeed have an effect on boron isotope analyses by positive thermal ionization mass spectrometry and that the use of micro-sublimation can effectively remove interferences from the organic matter during boron isotopic analysis. Copyright (C) 2011 John Wiley & Sons, Ltd.
收录类别: SCI
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/1880
Appears in Collections:青海盐湖研究所知识仓储(2014年之前)_期刊论文

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Recommended Citation:
He, Maoyong,Jin, Zhangdong,Xiao, Jun. Effective elimination of organic matter interference in boron isotopicanalysis by thermal ionization mass spectrometry of coral/foraminifera:micro-sublimation technology combined with ion exchange[J]. RAPID COMMUNICATIONS IN MASS SPECTROMETRY,2011,25(6):743-749.
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