ISL OpenIR  > 青海盐湖研究所知识仓储
Effective elimination of isobaric ions interference and precise thermalionization mass spectrometer analysis for boron isotope
Wei, HZ; Xiao, YK; Sun, A; Zhang, CG; Li, SZ
2004
Source PublicationINTERNATIONAL JOURNAL OF MASS SPECTROMETRY
ISSN1387-3806
Volume235Issue:2Pages:187-195
AbstractAn ionization depressor, 1% H3PO4 was used to eliminate the isobaric interference that has been of a great concern during the procedure of boron isotopic ratio analysis by thermal ionization mass spectrometer (TIMS). Our experiments have shown that it appears to be an effective method to completely restrain the formation of isobaric ions of CNO- and Cs2CNO+ in the ionization source of mass spectrometer. We have also discussed the optimum proportion of depressor to nitrite for precise analysis of boron isotopes in natural samples based on a conditional experiment. In this case, the pretreatment of boron extraction from natural samples is greatly simplified since it is not necessary to remove nitrite and organic matter completely. In virtue of the method, we determined boron isotope in different types of natural samples, and our results are consistent with previous reports. (C) 2004 Elsevier B.V. All rights reserved. An ionization depressor, 1% H3PO4 was used to eliminate the isobaric interference that has been of a great concern during the procedure of boron isotopic ratio analysis by thermal ionization mass spectrometer (TIMS). Our experiments have shown that it appears to be an effective method to completely restrain the formation of isobaric ions of CNO- and Cs2CNO+ in the ionization source of mass spectrometer. We have also discussed the optimum proportion of depressor to nitrite for precise analysis of boron isotopes in natural samples based on a conditional experiment. In this case, the pretreatment of boron extraction from natural samples is greatly simplified since it is not necessary to remove nitrite and organic matter completely. In virtue of the method, we determined boron isotope in different types of natural samples, and our results are consistent with previous reports. (C) 2004 Elsevier B.V. All rights reserved.
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/2366
Collection青海盐湖研究所知识仓储
Recommended Citation
GB/T 7714
Wei, HZ,Xiao, YK,Sun, A,et al. Effective elimination of isobaric ions interference and precise thermalionization mass spectrometer analysis for boron isotope[J]. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,2004,235(2):187-195.
APA Wei, HZ,Xiao, YK,Sun, A,Zhang, CG,&Li, SZ.(2004).Effective elimination of isobaric ions interference and precise thermalionization mass spectrometer analysis for boron isotope.INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,235(2),187-195.
MLA Wei, HZ,et al."Effective elimination of isobaric ions interference and precise thermalionization mass spectrometer analysis for boron isotope".INTERNATIONAL JOURNAL OF MASS SPECTROMETRY 235.2(2004):187-195.
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