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Analysis of Heavy Metal in Soil with Portable X-Ray Fluorescence Spectrometry

文献类型： 外文期刊

作者： Han Ping 1 ; Wang Ji-hua 1 ; Lu An-xiang 1 ; Ma Zhi-hong 1 ; Pan Li-gang 1 ;

作者机构： 1.Natl Engn Res Ctr Informat Technol Agr, Beijing Res Ctr Agrifood Testing & Farmland Monit, Beijing 100097, Peoples R China

关键词： X-ray fluorescence spectrometry; Soil; Heavy metal; Situ detection

期刊名称：SPECTROSCOPY AND SPECTRAL ANALYSIS （ 影响因子：0.589； 五年影响因子：0.504 ）

ISSN： 1000-0593

年卷期： 2012 年 32 卷 3 期

页码：

收录情况： SCI

摘要： The concentrations of main heavy metal pollutants (Cu, Zn, Pb, Cr and As) in soil were tested by NITON XL3 600 portable X-ray fluorescence spectrometry (PXRF). The results showed that the minimum? detection limits for elements Cu, Zn, Pb, Cr and As were 23. 96, 11. 69, 8. 58, 19. 23, 6. 24 mg . kg(-1), respectively. The soil composition standard material GSS-5 was detected by PXRF for 5 replicate measurements, The accuracy was 96%similar to 102% and relative standard deviations (RSD) was 1. 0%similar to 7. 6%, In term of field situ testing, RSD was less than 20%, and accuracy was 55%similar to 119%. The performance was assessed by laboratory testing and field situ detection, and the results indicated that PXRF is effective for rapid, quantitative monitoring of soil metal contamination.

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