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
- Spectroscopy and Spectral Analysis
- Vol. 42, Issue 7, 2309 (2022)
Fig. 1. Study area and sample distribution
(a): China; (b): Jilin Province; (c): Urban area of Changchun City
(a): China; (b): Jilin Province; (c): Urban area of Changchun City
Fig. 2. Linear regression images between pXRF data and ICP-MS data after correction
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 2. Statistical parameters and degree of improvement after correction of each method
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