Introductory to the Application of Portable X-Ray Fluorescent Spectroscopy (PXRF) on the Investigation of On-site Ash Content Analysis - Volume 6, No. 2, June 2018 - International Journal of Electronics and Electrical Engineering (IJEEE)
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Introductory to the Application of Portable X-Ray Fluorescent Spectroscopy (PXRF) on the Investigation of On-site Ash Content Analysis

Komsoon Somprasong, Suppagarn Thiteja, and Pirat Jaroonpattanapong
Department of Mining and Petroleum Engineering, Faculty of Engineering, Chiang Mai University, Thailand
Abstract—Ash content of coal refers to the non-combustible residue left after the combustion. It is mostly expressed as a percentage of the original weight which can be used as the indicator for the quality of coal. By the circumstances in material classification method, the conservative standard analysis becomes one of the time and energy consuming process in coal quality determination. Since the laboratory-based analyses can be a bottleneck for further coal utilization, the development of on-site analysis procedure can be one of the alternative for overwhelming the limitations. Currently, a Portable X-ray Fluorescence spectroscopy (PXRF) is generally applied as the main instrument in on-site investigation for materialsˇ characteristic. It offers an in-situ analysis which can precisely identify some of the compositions in coal, so that the limitations and difficulties in ash content determination can be diminished. In this study, the PXRF is applied for the analyzing of the composition in 24 sub- bituminous coal samples from the northern part of Lao PDR. Under the linear multiple regression analysis for estimating the relationship between mineral compositions in coal samples and the total ash content in the sample were conducted to determine the linear relationship formula. The result of the study exhibits the possibility in applying this formula in the instantaneous-estimation of total ash content in the coal sample.
 
Index Terms—coal, Ash, PXRF, regression, multicollinearity

Cite: Komsoon Somprasong, Suppagarn Thiteja, and Pirat Jaroonpattanapong, "Introductory to the Application of Portable X-Ray Fluorescent Spectroscopy (PXRF) on the Investigation of On-site Ash Content Analysis," International Journal of Electronics and Electrical Engineering, Vol. 6, No. 2, pp. 10-15, June 2018. doi: 10.18178/ijeee.6.2.10-15
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