中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 地质与地球物理研究所
  3. 中国科学院地质与地球物理研究所
  4. 岩石圈演化国家重点实验室
An efficient method for the separation of REEs from Ba for the accurate determination of REE content in Ba-rich samples by ICP-MS

文献类型：期刊论文

作者Liu, Wengang2,3; An, Yuchen2; Qu, Qinyuan2; Li, Pengfei2; Zhang, Lixin2; Li, Chaofeng1; Wei, Shuang3; Zhou, Hongying3; Chen, Jiubin2
刊名JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
出版日期2022-12-23
页码8
ISSN号0267-9477
DOI10.1039/d2ja00332e
英文摘要Barium (Ba) is a major element in many geological samples (e.g. barite/witherite-rich samples) and introduces serious oxide and hydroxide interferences during the analysis of rare earth elements (REEs) by ICP-MS. Hence, eliminating Ba interference is an indispensable step for accurate ICP-MS analysis of REEs. Though ion-exchange chromatography is widely used for REE purification, the tediousness, time consumption and high cost limit the application of this purification method. In this study, we developed a rapid and reliable separation method to eliminate Ba from geological samples for the precise measurement of REEs by ICP-MS. The new method was established based on the difference in solubility between Ba and REEs in concentrated nitric acid as barium nitrate (Ba(NO3)(2)) is almost insoluble, in contrast to REEs. The whole separation procedure could be completed in less than two hours and only consumed 1.5 mL 15 M nitric acid. The protocol resulted in acceptable procedural blanks (below 0.02 ng mL(-1)), quantitative recovery (96-103%) of REEs, and limited Ba content (0.37 +/- 0.14 mu g mL(-1), (2SD, n = 50)) in the purified solution (50 mL), in which the interference effect could be eventually eliminated by mathematical correction during the ICP-MS analysis. The method was successfully applied to four natural barite-rich samples with BaSO4 content ranging from 18.87 wt% to 42.41 wt%. Overall, this accurate and rapid method shows great potential for the precise determination of the REE content in Ba-rich samples by ICP-MS.
WOS关键词RARE-EARTH-ELEMENTS ; GEOLOGICAL SAMPLES ; ULTRAMAFIC ROCKS ; TRACE-ELEMENTS ; GEOCHEMISTRY ; BARITE ; DISSOLUTION ; STRONTIUM ; PRECONCENTRATION ; METAMORPHISM
资助项目National Natural Science Foundation of China ; [41961144028] ; [42103033]
WOS研究方向Chemistry ; Spectroscopy
语种英语
出版者ROYAL SOC CHEMISTRY
WOS记录号WOS:000907183800001
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.iggcas.ac.cn/handle/132A11/106936]  
专题地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Chen, Jiubin
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
2.Tianjin Univ, Inst Surface Earth Syst Sci, Sch Earth Syst Sci, Tianjin 300072, Peoples R China
3.China Geol Survey, Tianjin Ctr, Tianjin 300170, Peoples R China
推荐引用方式
GB/T 7714		 Liu, Wengang,An, Yuchen,Qu, Qinyuan,et al. An efficient method for the separation of REEs from Ba for the accurate determination of REE content in Ba-rich samples by ICP-MS[J]. JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY,2022:8.
APA Liu, Wengang.,An, Yuchen.,Qu, Qinyuan.,Li, Pengfei.,Zhang, Lixin.,...&Chen, Jiubin.(2022).An efficient method for the separation of REEs from Ba for the accurate determination of REE content in Ba-rich samples by ICP-MS.JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY,8.
MLA Liu, Wengang,et al."An efficient method for the separation of REEs from Ba for the accurate determination of REE content in Ba-rich samples by ICP-MS".JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY (2022):8.

入库方式： OAI收割

来源：地质与地球物理研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。