M. Udhayasankar, J. Kumar, P. Ramasamy, D. K. Avasthi, D. Kabiraj: Quantitative Phase Analysis of Mixtures of Three Components using Rietveld and Rius Standardless Methods. Comparative Results

Crystal Research and Technology

Cryst. Res. Technol. 35 (2000) 1183 - Abstract -

M. Udhayasankar, J. Kumar, P. Ramasamy, D. K. Avasthi*, D. Kabiraj*

Universidad “Jaume I”, Campus de Borriol, Castellón, Spain
*Universidad de Valencia, Campus de Burjassot, Burjassot, Spain

Quantitative Phase Analysis of Mixtures of Three Components using Rietveld and Rius Standardless Methods. Comparative Results

Eight samples, supplied by the Commission on Powder Diffraction of the International Union of Crystallography, through the Round Robin on quantitative phase analysis, were analized using standardless methods. Samples were mixtures of corundum, zincite and fluorite in different ratios. The Rietveld method, using the DBW 3.2 and FULLPROF software, and the Rius method, using MENGE-PC software, were used. Results obtained agree well with the real composition supplied (a posteriori) by the IUCr.

Keywords: quantitative analysis, X-ray powder diffraction, standardless method

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