ISL OpenIR  > 青海盐湖研究所知识仓储
Positive Thermal Ionization Mass Spectrometric Analysis of Boron Isotopeon River/Rain Water with Low Content and Rich Organic Matter
He Mao-Yong; Xiao Jun
2011
Source PublicationCHINESE JOURNAL OF ANALYTICAL CHEMISTRY
Volume39Issue:4Pages:552-555
AbstractA 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 Cs(2)BO(2)(+) thermal ions. The average recovery was between 97. 5% and 101. 2%. The results that were determined by positive thermal ionization mass spectrometry were closed to those by MC-ICP-MS. The precision of isotopic measurement for boron in river/rain water was better than 0. 05 parts per thousand. The results demonstrated that this method was extremely effective for elimination organic matter interference during boron isotopic analysis with low sample size, high precision and accuracy. 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 Cs(2)BO(2)(+) thermal ions. The average recovery was between 97. 5% and 101. 2%. The results that were determined by positive thermal ionization mass spectrometry were closed to those by MC-ICP-MS. The precision of isotopic measurement for boron in river/rain water was better than 0. 05 parts per thousand. The results demonstrated that this method was extremely effective for elimination organic matter interference during boron isotopic analysis with low sample size, high precision and accuracy.
KeywordOrganic Matter River/rain Water Boron Isotope Micro-sublimation
Indexed BySCI
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/1879
Collection青海盐湖研究所知识仓储
Recommended Citation
GB/T 7714
He Mao-Yong,Xiao Jun. Positive Thermal Ionization Mass Spectrometric Analysis of Boron Isotopeon River/Rain Water with Low Content and Rich Organic Matter[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2011,39(4):552-555.
APA He Mao-Yong,&Xiao Jun.(2011).Positive Thermal Ionization Mass Spectrometric Analysis of Boron Isotopeon River/Rain Water with Low Content and Rich Organic Matter.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,39(4),552-555.
MLA He Mao-Yong,et al."Positive Thermal Ionization Mass Spectrometric Analysis of Boron Isotopeon River/Rain Water with Low Content and Rich Organic Matter".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 39.4(2011):552-555.
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