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ICP-MS在环境分析中的质谱干扰及其消除
引用本文:赵小学,张霖琳,张建平,陈纯.ICP-MS在环境分析中的质谱干扰及其消除[J].中国环境监测,2014,30(3):101-106.
作者姓名:赵小学  张霖琳  张建平  陈纯
作者单位:济源市重金属监测与污染治理重点实验室, 河南 济源 459000;中国环境监测总站 国家环境保护监测质量控制重点实验室, 北京 100012;济源市重金属监测与污染治理重点实验室, 河南 济源 459000;河南省环境监测中心, 河南 郑州 450004
基金项目:国家环境保护公益性行业科研专项(201309050);国家重大科学仪器设备开发专项(2011YQ060100)
摘    要:针对环境领域20个无机元素的ICP-MS分析,总结了同量异位素、氧化物和双电荷、多原子离子等质谱干扰,探讨了影响质谱干扰的因素,提出了消除或降低每个元素质谱干扰的方法:选取合适的同位素、编辑校正方程、选择合适的模式、设置合理的等离子条件等,为建立ICP-MS相关环境标准方法提供参考。

关 键 词:环境分析  ICP-MS  质谱干扰
收稿时间:9/9/2013 12:00:00 AM
修稿时间:2013/10/9 0:00:00

Spectral Interference and Elimination of Environmental Analysis with ICP-MS
ZHAO Xiao-xue,ZHANG Lin-lin,ZHANG Jian-ping and CHEN Chun.Spectral Interference and Elimination of Environmental Analysis with ICP-MS[J].Environmental Monitoring in China,2014,30(3):101-106.
Authors:ZHAO Xiao-xue  ZHANG Lin-lin  ZHANG Jian-ping and CHEN Chun
Institution:Jiyuan City Key Laboratory of Heavy-Mental Monitoring and Pollution Control, Jiyuan 459000, China;State Environmental Protection Key Laboratory of Quality Control in Environmental Monitoring, China National Environmental Monitoring Centre, Beijing 100012, China;Jiyuan City Key Laboratory of Heavy-Mental Monitoring and Pollution Control, Jiyuan 459000, China;Henan Province Environmental Monitoring Centre, Zhengzhou 450004, China
Abstract:For the analysis of all twenty inorganic elements with ICP-MS in the field of environment, spectral interference to all twenty inorganic elements, such as ectopic elements, oxides and double charges and polyatomic ions, were summarized. The influence factors of spectral interference to each element were discussed, and the method of eliminating or reducing each type of spectral interference to all twenty elements was put forward, including selecting the appropriate isotope, editing the correction equation, choosing the suitable mode, and setting the reasonable plasma conditions. The present research was aimed to provide reference for the study on inorganic elements in environmental standard.
Keywords:environmental analysis  ICP-MS  spectrum interference
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