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XRD Quantitative Phase Analysis Using the NBS*QYANT82 System*

Published online by Cambridge University Press:  06 March 2019

Camden R. Hubbard
Affiliation:
Center for Materials Science, National Bureau of Standards, Washington, D.C. 20234 USA
Carl R. Robbies
Affiliation:
Center for Materials Science, National Bureau of Standards, Washington, D.C. 20234 USA
Robert L. Snyder
Affiliation:
New York State College of Ceramics, Alfred University, Alfred, New York 14802 USA
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X-ray powder diffraction (XRD) is widely used for qualitative analysis of the phases in multiphase mixtures. To extend the characterization to the level of quantitative analysis (QA) requires solution of many challenging problems such as elimination of preferred orientation (1,2,3); selection of an appropriate reference standard which closely matches the analyte phase in crystallite size, thermal history, stoichiometry etc. (4); effectively collecting the experimental intensities (5,6); and finally, performing the data reduction and analysis.

The desire to solve the last problem in a general way and to incorporate the “best” procedures developed in several laboratories into one package was one of the stimuli for developing the NBS*QUANT82 system of programs. This system is integrally coupled with the data collection system AUTO (6,7).

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Type
III. Quantitative XRD Analysis
Copyright
Copyright © International Centre for Diffraction Data 1982

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