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题名: Positive Thermal Ionization Mass Spectrometric Analysis of Boron IsotopeUsing Static Multicollection of Cs2BO2+ Ions
作者: He Mao-Yong ;  Xiao Ying-Kai ;  马云麒 ;  Zhang Yan-Ling ;  王秀芳 ;  Xiao Jun ;  Wei Hai-Zhen
刊名: CHINESE JOURNAL OF ANALYTICAL CHEMISTRY
出版日期: 2009
卷号: 37, 期号:5, 页码:703-706
关键词: Positive thermal ionization ;  static multicollection ;  dicesium metaborate
语种: A static double collector system and "Zoom Quad" function in the Finnigan-MAT Triton TI thermal ionization mass spectrometer was used to analyse different amounts of the boric acid standard NIST SRM 951 and natural samples, such as coral and foraminifera. The main objectives of the study were to discuss the difference of precision, accuracy, sample amount as well as testing time between static multicollection method and conventional peak jumping method. The experimental result indicated that in the same precision and the accuracy, the static double method is easier to measure small amount of sample as low as 0.1 mu g, and reduces the data acquisition time to 20 min. The reproducibility of measured B-11/B-10 ratios of NBS 951 boric acid with static multicollection is B-11/B-10 = 4.05159 +/- 0.00023 (2 sigma(m), n = 10) for 0.1 g of B. Finally 0.1 g natural samples were analyzed with a good test. A static double collector system and "Zoom Quad" function in the Finnigan-MAT Triton TI thermal ionization mass spectrometer was used to analyse different amounts of the boric acid standard NIST SRM 951 and natural samples, such as coral and foraminifera. The main objectives of the study were to discuss the difference of precision, accuracy, sample amount as well as testing time between static multicollection method and conventional peak jumping method. The experimental result indicated that in the same precision and the accuracy, the static double method is easier to measure small amount of sample as low as 0.1 mu g, and reduces the data acquisition time to 20 min. The reproducibility of measured B-11/B-10 ratios of NBS 951 boric acid with static multicollection is B-11/B-10 = 4.05159 +/- 0.00023 (2 sigma(m), n = 10) for 0.1 g of B. Finally 0.1 g natural samples were analyzed with a good test.
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内容类型: 期刊论文
URI标识: http://ir.isl.ac.cn/handle/363002/2110
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 Mao-Yong,Xiao Ying-Kai,Ma Yun-Qi,et al. Positive Thermal Ionization Mass Spectrometric Analysis of Boron IsotopeUsing Static Multicollection of Cs2BO2+ Ions[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2009,37(5):703-706.
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