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Application of ion molecule reaction to eliminate WO interference on mercury determination in soil and sediment samples by ICP-MS

文献类型：期刊论文

作者Guo, Wei1; Hu, Shenghong1; Wang, Xiuji1,2; Zhang, Jiangyi3; Jin, Lanlan1; Zhu, Zhenli1; Zhang, Hongfei1
刊名JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY
出版日期2011
卷号26期号:6页码:1198-1203
ISSN号0267-9477
DOI10.1039/c1ja00005e
文献子类Article
英文摘要Mercury is subject to severe tungsten oxide (WO) interference in the direct ICP-MS analysis for soil or sediment samples. In this study, a method based on ion molecule reaction (IMR) was used to eliminate the WO spectral interference in a dynamic reaction cell (DRC). Interfered ion ((202)WO(+)) was drastically oxidized to higher oxide ions ((218)WO(2)(+) or (234)WO(3)(+)) by O(2) as the reaction gas in the DRC, while the analyte ion ((202)Hg(+)) cannot react with O(2). Under the optimized O(2) flow rate (1.9 mL min(-1)) and DRC rejection parameter q (Rpq, 0.80), the background signal was reduced by up to 1000-fold at m/z 202 and the limit of quantitation (LOQ, 10 sigma) for (202)Hg was 1 ng g(-1). The proposed method was applied to direct determination of Hg in a series of soil and sediment standard reference materials (SRMs) and the satisfactory results indicate that it has great potential for the determination of trace or ultra-trace level mercury in various environmental or geological samples.
WOS关键词PLASMA-MASS-SPECTROMETRY ; COLD-VAPOR GENERATION ; REACTION CELL ; BIOLOGICAL SAMPLES ; TRACE CADMIUM ; WATER ; HG ; SUBPICOGRAM ; SLURRIES ; METALS
WOS研究方向Chemistry ; Spectroscopy
语种英语
WOS记录号WOS:000290999000010
出版者ROYAL SOC CHEMISTRY
资助机构National Nature Science Foundation of China(40973021 ; National Nature Science Foundation of China(40973021 ; 40821061) ; 40821061) ; National Nature Science Foundation of China(40973021 ; National Nature Science Foundation of China(40973021 ; 40821061) ; 40821061) ; National Nature Science Foundation of China(40973021 ; National Nature Science Foundation of China(40973021 ; 40821061) ; 40821061) ; National Nature Science Foundation of China(40973021 ; National Nature Science Foundation of China(40973021 ; 40821061) ; 40821061)
源URL[http://ir.iggcas.ac.cn/handle/132A11/74496]  
专题中国科学院地质与地球物理研究所
通讯作者Hu, Shenghong
作者单位1.China Univ Geosci, Fac Earth Sci, Minist Educ, Key Lab Biogeol & Environm Geol, Wuhan 430074, Peoples R China
2.Guangdong Med Coll, Zhanjiang 524023, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, Engn Geol & Water Resources Dept, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714		 Guo, Wei,Hu, Shenghong,Wang, Xiuji,et al. Application of ion molecule reaction to eliminate WO interference on mercury determination in soil and sediment samples by ICP-MS[J]. JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY,2011,26(6):1198-1203.
APA Guo, Wei.,Hu, Shenghong.,Wang, Xiuji.,Zhang, Jiangyi.,Jin, Lanlan.,...&Zhang, Hongfei.(2011).Application of ion molecule reaction to eliminate WO interference on mercury determination in soil and sediment samples by ICP-MS.JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY,26(6),1198-1203.
MLA Guo, Wei,et al."Application of ion molecule reaction to eliminate WO interference on mercury determination in soil and sediment samples by ICP-MS".JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY 26.6(2011):1198-1203.

入库方式： OAI收割

来源：地质与地球物理研究所

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