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Sample Preparation for Isotope Determination of Boron in Clay Sediments by Three-step Ion-exchange Method
Zhang Yan-Ling1; Xiao Ying-Kai1; Ma Yun-Qi1; Liu Zhi-Qi1; Luo Chong-Guang2; He Mao-Yong3; Liu Yu-Xiu1
2016-05-01
Source PublicationCHINESE JOURNAL OF ANALYTICAL CHEMISTRY
Volume44Issue:5Pages:809-815
SubtypeArticle
AbstractWhen clay sediments were dissolved by hydrochloric acid, there will form large amounts of water insoluble hydroxide precipitation of Al, Fe and rare earth elements which can absorb boron strongly in high pH solutions. The hydroxide precipitation will greatly affect the extraction of boron and the determination of boron isotope. In this experiment, a new three-step ion-exchange method for the separation and purification of boron was proposed. Firstly, all the Al, Fe and rare earth elements which can generate water insoluble hydroxide, were removed by cation resin column with AG 50 W x 8. Next, boron in the sample solutions without Al, Fe and rare earth elements was extracted by boron special resin column with Amberlite IRA 743. Finally, the boron solutions were further purified by anion and cation resin mixed with Ion-exchanger If and AG 50 W x 8. The experimental results showed that the recovery of boron was more than 90% and no obvious boron isotope fractionation could be achieved using this three-step ion-exchange method. Therefore, this method could meet the needs of the high-precision determination of boron isotope of clay sediments.
KeywordClay Sediments Boron Ion Exchange Method Extraction And Purification Isotope Determination
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordMASS-SPECTROMETRY ; THERMAL IONIZATION ; BORIC-ACID ; ADSORPTION ; FRACTIONATION ; ALUMINUM ; SEPARATION ; MINERALS ; COMPLEX ; OXIDE
Indexed BySCI
Language英语
WOS Research AreaChemistry
WOS SubjectChemistry, Analytical
WOS IDWOS:000378354200016
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6328
Collection青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
盐湖地质与环境实验室
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, CAS Key Lab Salt Lake Resources & Chem, Xining 810008, Peoples R China
2.Chinese Acad Sci, Inst Geochem, State Key Lab Ore Deposit Geochem, Guiyang 550002, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China
Recommended Citation
GB/T 7714
Zhang Yan-Ling,Xiao Ying-Kai,Ma Yun-Qi,et al. Sample Preparation for Isotope Determination of Boron in Clay Sediments by Three-step Ion-exchange Method[J]. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,2016,44(5):809-815.
APA Zhang Yan-Ling.,Xiao Ying-Kai.,Ma Yun-Qi.,Liu Zhi-Qi.,Luo Chong-Guang.,...&Liu Yu-Xiu.(2016).Sample Preparation for Isotope Determination of Boron in Clay Sediments by Three-step Ion-exchange Method.CHINESE JOURNAL OF ANALYTICAL CHEMISTRY,44(5),809-815.
MLA Zhang Yan-Ling,et al."Sample Preparation for Isotope Determination of Boron in Clay Sediments by Three-step Ion-exchange Method".CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 44.5(2016):809-815.
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