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2 results on '"Liangliang Deng"'

1. XRD-based quantitative analysis of clay minerals using reference intensity ratios, mineral intensity factors, Rietveld, and full pattern summation methods: A critical review

Author

Xiang Zhou, Dong Liu, Hongling Bu, Liangliang Deng, Hongmei Liu, Peng Yuan, Peixin Du, and Hongzhe Song

Subjects
XRD, Quantitative analysis, Clay minerals, RIR and MIF methods, Rietveld and full pattern summation methods, Geology, QE1-996.5
Abstract

The quantification of clay minerals is essential for the evaluation of clay-rich rock and soil, but it remains challenging due to the unique structures and various element compositions of clay minerals. In this article, several quantification methods for clay minerals sourced from X-ray diffraction (XRD) analysis, mainly recommending the reference intensity ratio (RIR), mineral intensity factor (MIF), Rietveld, and full pattern summation methods are reviewed. Principles and applications of these methods are focused upon in addition to related differences in the analysis of clay minerals (i.e., sample preparation, the selection of characteristic reflections for quantification and standards added during analysis). This critical review also provides a proposal for selection of an adaptive XRD quantification method to be applied to various clay-rich samples.

Published
2018
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2. XRD-based quantitative analysis of clay minerals using reference intensity ratios, mineral intensity factors, Rietveld, and full pattern summation methods: A critical review

Author

Peng Yuan, Dong Liu, Liangliang Deng, Peixin Du, Hongzhe Song, Hongling Bu, Xiang Zhou, and Hongmei Liu

Subjects
Quantification methods, Materials science, XRD, Mineralogy, 020101 civil engineering, 02 engineering and technology, 0201 civil engineering, Geochemistry and Petrology, Sample preparation, Intensity factor, Quantitative analysis, Earth-Surface Processes, Mineral, Rietveld and full pattern summation methods, lcsh:QE1-996.5, Geology, RIR and MIF methods, 021001 nanoscience & nanotechnology, Geotechnical Engineering and Engineering Geology, Intensity ratio, Clay minerals, lcsh:Geology, Geophysics, 0210 nano-technology, Quantitative analysis (chemistry), Intensity (heat transfer)
Abstract

The quantification of clay minerals is essential for the evaluation of clay-rich rock and soil, but it remains challenging due to the unique structures and various element compositions of clay minerals. In this article, several quantification methods for clay minerals sourced from X-ray diffraction (XRD) analysis, mainly recommending the reference intensity ratio (RIR), mineral intensity factor (MIF), Rietveld, and full pattern summation methods are reviewed. Principles and applications of these methods are focused upon in addition to related differences in the analysis of clay minerals (i.e., sample preparation, the selection of characteristic reflections for quantification and standards added during analysis). This critical review also provides a proposal for selection of an adaptive XRD quantification method to be applied to various clay-rich samples.

Published
2018

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