Quantitative energy-dispersive X-ray fluorescence analysis for unknown samples using full-spectrum least-squares regression

2019 ◽  
Vol 30 (3) ◽  
Author(s):  
Yong-Li Liu ◽  
Qing-Xian Zhang ◽  
Jian Zhang ◽  
Hai-Tao Bai ◽  
Liang-Quan Ge
Keyword(s):  
Least Squares ◽  
Fluorescence Analysis ◽  
Energy Dispersive ◽  
Least Squares Regression ◽  
Full Spectrum ◽  
X Ray

An improved PD-AsLS method of baseline estimated in EDXRF analysis

2021 ◽  
Author(s):  
Qingxian Zhang ◽  
Hui Li ◽  
Hongfei Xiao ◽  
Jian Zhang ◽  
Xiaozhe Li ◽  
...  
Keyword(s):  
Least Squares ◽  
Least Squares Method ◽  
Fluorescence Analysis ◽  
Energy Dispersive ◽  
Baseline Correction ◽  
Penalized Least Squares ◽  
X Ray ◽  
Edxrf Analysis ◽  
Asymmetric Least Squares

Baseline correction is an important step in energy-dispersive X-ray fluorescence analysis. The asymmetric least squares method (AsLS), adaptive iteratively reweighted penalized least squares method (airPLS), and asymmetrically reweighted penalized least...

Improving precision of X-ray fluorescence analysis of lanthanide mixtures using partial least squares regression

2015 ◽  
Vol 113 ◽  
pp. 126-131 ◽  
Author(s):  
Dmitry Kirsanov ◽  
Vitaly Panchuk ◽  
Alexander Goydenko ◽  
Maria Khaydukova ◽  
Valentin Semenov ◽  
...  
Keyword(s):  
Least Squares ◽  
Partial Least Squares ◽  
Partial Least Squares Regression ◽  
Fluorescence Analysis ◽  
Least Squares Regression ◽  
X Ray
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