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Boron separation by the two-step ion-exchange for the isotopic measurement of boron
Wang, QZ; Xiao, YK; Wang, YH; Zhang, CG; Wei, HZ
2002
发表期刊CHINESE JOURNAL OF CHEMISTRY
卷号20期号:1页码:45-50
文章类型Article
摘要An improved procedure for extraction and purification of boron from natural samples is presented. The separation and purification of boron was carried out using a boron-specific resin, Amberlite IRA743, and a mixed ion exchange resin, Dowex 50W x 8 and Ion Exchanger II resin. Using the mixed ion exchange resin which adsorbs all cations and anions except boron, the HCl and other cations and anions left in eluant from the Amberlite IRA 743 were removed effectively. In this case, boron loss can be avoided because the boron-bearing solution does not have to be evaporated to reach dryness to dislodge HCl. The boron recovery ranged from 97.6% to 102% in this study. The isotopic fractionation of boron can be negligible within the precision of the isotopic measurement. The results show that boron separation for the isotopic measured ment by using both Amberlite IRA 743 resin and the mixed resin is more effective than that using Amberlite IRA 743 resin alone. The boron in samples of brine, seawater, rock, coral and foraminifer were separated by this procedure. Boron iso, topic compositions of these samples were measured by thermal ionization mass spectrometry in this study.
关键词Boron Separation Of Boron Ion Exchange Isotopic Measurement
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]IONIZATION MASS-SPECTROMETRY ; GEOCHEMISTRY ; FRACTIONATION ; SAMPLES
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000173060000009
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6081
专题青海盐湖研究所知识仓储
作者单位Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
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Wang, QZ,Xiao, YK,Wang, YH,et al. Boron separation by the two-step ion-exchange for the isotopic measurement of boron[J]. CHINESE JOURNAL OF CHEMISTRY,2002,20(1):45-50.
APA Wang, QZ,Xiao, YK,Wang, YH,Zhang, CG,&Wei, HZ.(2002).Boron separation by the two-step ion-exchange for the isotopic measurement of boron.CHINESE JOURNAL OF CHEMISTRY,20(1),45-50.
MLA Wang, QZ,et al."Boron separation by the two-step ion-exchange for the isotopic measurement of boron".CHINESE JOURNAL OF CHEMISTRY 20.1(2002):45-50.
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