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Qualitative and quantitative phase analyses of Pingguo bauxite mineral using X-ray powder diffraction and the Rietveld method

Published online by Cambridge University Press:  01 March 2012

Liangqin Nong ,
Xiying Yang ,
Lingmin Zeng  and
Jingping Liu
Liangqin Nong
Affiliation:
College of Electronic and Communication Engineering, Guangxi University for Nationalities, Nanning, 530006, China
Xiying Yang
Affiliation:
Key Laboratory of Nonferrous Metal Materials and New Processing Technology, Ministry of Education, Guangxi University, Nanning, Guangxi, 530004, China
Lingmin Zeng
Affiliation:
Key Laboratory of Nonferrous Metal Materials and New Processing Technology, Ministry of Education, Guangxi University, Nanning, Guangxi, 530004, China
Jingping Liu
Affiliation:
Aluminium Corporation of China Ltd., Guangxi Branch, Pingguo, Guangxi, 531400, China
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Abstract

X-ray powder diffraction technique and the Rietveld refinement method have been used successfully for the qualitative and quantitative analyses of Pingguo bauxite from Guangxi, China. Qualitative phase analysis shows that the Pingguo bauxite contains diaspore (AlOOH), hematite (Fe2O3), goethite (FeOOH), anatase (TiO2), and kaolinite (Al2(Si2O5)(OH)4). Quantitative Rietveld refinement shows that the weight concentrations of diaspore, goethite, hematite, anatase, and kaolinite for the Pingguo bauxite are 71.9(4)%, 7.0(8)%, 11.3(7)%, 6.5(6)%, and 3.3(9)%, respectively.

Keywords

qualitative and quantitative phase analysisPingguo bauxiteX-ray powder diffractionRietveld method
Type
Representative Papers from the Chinese XRD 2006 Conference
Information
Powder Diffraction , Volume 22 , Issue 4 , December 2007 , pp. 300 - 302
Copyright
Copyright © Cambridge University Press 2007

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