Study on Heavy Metal in Soil by Portable X-Ray Fluorescence Spectrometry Based on Matrix Effect Correction and Correspondence Analysis

Jin-ke GUO; Ji-long LU; Jun-shi SI; Wei ZHAO; Yang LIU; Tian-xin WANG; Ya-wen LAI

doi:10.3964/j.issn.1000-0593(2022)07-2309-06

Spectroscopy and Spectral Analysis, Volume. 42, Issue 7, 2309(2022)

Study on Heavy Metal in Soil by Portable X-Ray Fluorescence Spectrometry Based on Matrix Effect Correction and Correspondence Analysis

Jin-ke GUO*... Ji-long LU, Jun-shi SI, Wei ZHAO, Yang LIU, Tian-xin WANG and Ya-wen LAI*; |Show fewer author(s)

Author Affiliations

College of Geo-exploration Science and Technology, Jilin University, Changchun 130026, China

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Figures & Tables(5)

Fig. 1. Study area and sample distribution
(a): China; (b): Jilin Province; (c): Urban area of Changchun City

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Fig. 2. Linear regression images between pXRF data and ICP-MS data after correction

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Fig. 3. The symmetrical normalization distribution map obtained by correspondence analysis

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Table 1. Regression equation by methods and the maximum influencing element for each element

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Table 1. Regression equation by methods and the maximum influencing element for each element

元素^a	元素^b	基体效应校正法	传统线性回归法
Cr	Fe	y=0.143x+0.000 895z+32.545	y=0.169x+57.947
Ni	K	y=0.514x-0.000 557z+32.307	y=0.482x+21.918
Cu	Ti	y=0.845x-0.002 574z+25.401	y=0.835x+15.243
Zn	Ti	y=0.853x-0.010 800z+79.415	y=0.806x+39.430
Pb	Mn	y=1.243x+0.058 472z-54.151	y=1.274x-15.200

Table 2. Statistical parameters and degree of improvement after correction of each method

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Table 2. Statistical parameters and degree of improvement after correction of each method

元素	提升程度			基体效应校正法			传统线性回归法
元素	R²	MAE	RMSE	R²	MAE	RMSE	R²	MAE	RMSE
Cr	75%	22%	22%	0.601	2.056	2.366	0.343	2.642	3.036
Ni	11%	4%	8%	0.644	1.590	3.007	0.582	1.663	3.263
Cu	3%	4%	11%	0.892	1.451	2.935	0.864	1.515	3.295
Zn	4%	11%	8%	0.843	6.553	13.895	0.814	7.340	15.145
Pb	10%	14%	40%	0.956	7.510	12.201	0.870	8.771	20.402

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Jin-ke GUO, Ji-long LU, Jun-shi SI, Wei ZHAO, Yang LIU, Tian-xin WANG, Ya-wen LAI. Study on Heavy Metal in Soil by Portable X-Ray Fluorescence Spectrometry Based on Matrix Effect Correction and Correspondence Analysis[J]. Spectroscopy and Spectral Analysis, 2022, 42(7): 2309

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Paper Information

Category: Orginal Article

Received: Jun. 3, 2021

Accepted: --

Published Online: Nov. 16, 2022

The Author Email: GUO Jin-ke (guojk20@mails.jlu.edu.cn)

DOI:10.3964/j.issn.1000-0593(2022)07-2309-06

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Regression equation by methods and the maximum influencing element for each element

Table 1. Regression equation by methods and the maximum influencing element for each element

Table 2. Statistical parameters and degree of improvement after correction of each method

Table 2. Statistical parameters and degree of improvement after correction of each method

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