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Direct determination of trace germanium in river samples by CH4-Ar mixed gas plasma DRC-ICP-MS

文献类型：期刊论文

作者Zhang, Jiangyi1,2; Wang, Xiaoju3; Dong, Yanhui1,2; Xu, Zhifang1,2
刊名INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
出版日期2017-10-01
卷号421页码:184-188
关键词Germanium River Samples Ch4-ar Mixed Gas Plasma Drc-icp-ms
ISSN号1387-3806
DOI10.1016/j.ijms.2017.07.010
文献子类Article
英文摘要In this work, a reliable method based on CH4-Ar mixed gas plasma DRC-ICP-MS was developed for direct determination of trace Ge in river samples. The interfering polyatomic ions Ar-36(2)+, (FeO+)-Fe-56-O-16, (40)Ar(32)s(+), (ArO2+)-Ar-40-O-16, (55)mn(16)OH(+) on Ge-72(+) determination could be reduced by 68% using the DRC with CH4 as the reaction gas. In addition, the CH4 gas was introduced to the ICP plasma at 2 mL min(-1), the signal intensity of Ge-72(+) was increased by a factor of 3.3 and the background signal (at m/z 72) was decreased to 29.4%. The method's signal to background ratio (SBR) was improved 11-fold (from 5 to 55). Under the optimized conditions, the limit of quantification (LOQ) was 0.012 mu g L-1, and the reproducibility (RSD) was generally less than 3%. The proposed method was applied for the determination of trace Ge in river samples, and the spiked recoveries was in the range of 95.0%-112%. The accuracy of determination results of proposed method was validated by that of standard addition method, and the determination results of two methods were in good agreement. (C) 2017 Elsevier B.V. All rights reserved.
WOS关键词DYNAMIC REACTION CELL ; ATOMIC-ABSORPTION-SPECTROMETRY ; CHEMICAL-VAPOR GENERATION ; RARE-EARTH-ELEMENTS ; MASS-SPECTROMETRY ; HYDRIDE-GENERATION ; EMISSION-SPECTROMETRY ; SIGNAL ENHANCEMENT ; NATURAL-WATERS ; SELENIUM
WOS研究方向Physics ; Spectroscopy
语种英语
WOS记录号WOS:000414114100022
出版者ELSEVIER SCIENCE BV
资助机构Strategic Priority Research Pro-gram of the Chinese Academy of Sciences(XDB10030601) ; Beijing Natural Science Foundation(8162042) ; Key Research Program of the Chinese Academy of Sciences(ZDRW-ZS-2016-7-2) ; Strategic Priority Research Pro-gram of the Chinese Academy of Sciences(XDB10030601) ; Beijing Natural Science Foundation(8162042) ; Key Research Program of the Chinese Academy of Sciences(ZDRW-ZS-2016-7-2) ; Strategic Priority Research Pro-gram of the Chinese Academy of Sciences(XDB10030601) ; Beijing Natural Science Foundation(8162042) ; Key Research Program of the Chinese Academy of Sciences(ZDRW-ZS-2016-7-2) ; Strategic Priority Research Pro-gram of the Chinese Academy of Sciences(XDB10030601) ; Beijing Natural Science Foundation(8162042) ; Key Research Program of the Chinese Academy of Sciences(ZDRW-ZS-2016-7-2)
源URL[http://ir.iggcas.ac.cn/handle/132A11/62486]  
专题地质与地球物理研究所_中国科学院页岩气与地质工程重点实验室
通讯作者Xu, Zhifang
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Shale Gas & Geoengn, Beijing 100029, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Beijing Municipal Environm Monitoring Ctr, Beijing 100048, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Jiangyi,Wang, Xiaoju,Dong, Yanhui,et al. Direct determination of trace germanium in river samples by CH4-Ar mixed gas plasma DRC-ICP-MS[J]. INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,2017,421:184-188.
APA Zhang, Jiangyi,Wang, Xiaoju,Dong, Yanhui,&Xu, Zhifang.(2017).Direct determination of trace germanium in river samples by CH4-Ar mixed gas plasma DRC-ICP-MS.INTERNATIONAL JOURNAL OF MASS SPECTROMETRY,421,184-188.
MLA Zhang, Jiangyi,et al."Direct determination of trace germanium in river samples by CH4-Ar mixed gas plasma DRC-ICP-MS".INTERNATIONAL JOURNAL OF MASS SPECTROMETRY 421(2017):184-188.

入库方式： OAI收割

来源：地质与地球物理研究所

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