文献类型： 外文期刊
作者： Wen, Xuelin 1 ; Hu, Zhenlin 1 ; Nie, Junfei 1 ; Gao, Zhen 2 ; Zhang, Deng 1 ; Guo, Lianbo 1 ; Ma, Shixiang 2 ; Dong, Daming 2 ;
作者机构： 1.Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect WNLO, Wuhan 430074, Hubei, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Res Ctr Intelligent Equipment, Beijing 100097, Peoples R China
3.Minist Agr & Rural Affairs, Key Lab Agr Sensors, Beijing 100097, Peoples R China
4.Guilin Univ Technol, Coll Geomat & Geoinformat, Guilin 541004, Peoples R China
期刊名称：JOURNAL OF ANALYTICAL ATOMIC SPECTROMETRY （ 影响因子：3.4； 五年影响因子：3.4 ）
ISSN： 0267-9477
年卷期： 2023 年 38 卷 5 期
页码：
收录情况： SCI
摘要： Lead detection is critical for maintaining drinking water safety. Laser-induced breakdown spectroscopy (LIBS) is widely used for elemental analysis, but its sensitivity is reduced in the presence of water. To address this issue, we applied resin enrichment (RE) combined with laser-induced breakdown spectroscopy assisted by laser-induced fluorescence (LIBS-LIF) for ultra-trace lead detection in water. This method demonstrated good linearity with a determination coefficient of 0.98 in the calibration of lead (Pb) and a detection limit (LOD) of 88 ng L-1, which was an improvement of one order of magnitude compared to resin enrichment combined with LIBS (RE-LIBS) analysis. Overall, the RE-LIBS-LIF method shows great potential for ultrasensitive lead analysis in water.
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