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Photoacoustic Spectrometric Evaluation of Soil Heavy Metal Contaminants
Liu, Lixian1,3; Huan, Huiting1; Zhang, Ming1; Shao, Xiaopeng1; Zhao, Binxing2; Cui, Xinxin3; Zhu, Lei1
作者部门光谱成像技术研究室
2019-04
发表期刊IEEE Photonics Journal
ISSN19430655
卷号11期号:2
产权排序1
摘要

Heavy metal pollution in soil has severe impact on the human health and global environment. There is an urgent need for cost-effective devices capable of recognizing and detecting heavy metallic matters in soils. A broadband photoacoustic spectrometric (PAS) system was established for the detection of heavy metal contaminants in soil. The heavy metal element lead (Pb) was selected as a preferred detection target. The near infrared photoacoustic spectra of contaminated soil samples with various concentrations of Pb were collected and the spectroscopic relationship between the soil absorption peaks and Pb concentrations was analyzed. Four advanced spectral preprocessing methods were explored to improve the robustness of the prediction model. Based on the maximal correlation coefficient and minimal root mean square error criteria of prediction, a two-layer feed-forward network with a continuum removing preprocessing method with a correlation coefficient as 0.96 was tested as the most appropriate method for Pb concentration prediction. This fact verifies that the broadband PAS evaluation methodology, as a nondestructive testing method, can be potentially used as an alternative quantification detection method of heavy metal contaminants in soil without the involvement of complicated sample pretreatment. © 2009-2012 IEEE.

DOI10.1109/JPHOT.2019.2904295
收录类别EI
语种英语
出版者Institute of Electrical and Electronics Engineers Inc.
EI入藏号20191406737924
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.opt.ac.cn/handle/181661/31370
专题光谱成像技术研究室
通讯作者Huan, Huiting
作者单位1.School of Physics and Optoelectronic Engineering, Xidian University, Xi'an; 710071, China;
2.School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu; 610054, China;
3.CAS Key Laboratory of Spectral Imaging Technology, Xi'an; 710119, China
推荐引用方式
GB/T 7714
Liu, Lixian,Huan, Huiting,Zhang, Ming,et al. Photoacoustic Spectrometric Evaluation of Soil Heavy Metal Contaminants[J]. IEEE Photonics Journal,2019,11(2).
APA Liu, Lixian.,Huan, Huiting.,Zhang, Ming.,Shao, Xiaopeng.,Zhao, Binxing.,...&Zhu, Lei.(2019).Photoacoustic Spectrometric Evaluation of Soil Heavy Metal Contaminants.IEEE Photonics Journal,11(2).
MLA Liu, Lixian,et al."Photoacoustic Spectrometric Evaluation of Soil Heavy Metal Contaminants".IEEE Photonics Journal 11.2(2019).
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