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The Detection and Quantification of Low Concentrations of Quartz in Dolostone by X-Ray Powder Diffraction

Published online by Cambridge University Press:  10 January 2013

Jeffrey A. Emig  and
Deane K. Smith
Jeffrey A. Emig
Affiliation:
The J. E. Baker Company, 232 East Market Street, York, Pennsylvania 17404, U.S.A.
Deane K. Smith
Affiliation:
Department of Geosciences, The Pennsylvania State University, University Park, Pennsylvania 16802, U.S.A.
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Abstract

Quartz in dolostone can be determined quantitatively down to 0.03 weight percent using a standard preparation procedure for the sample and absolute integrated intensity measurements. Measurement reproducibilities of 3.2% were obtained. Calibration curves determined by spiking low-quartz dolostone allowed concentrations of 2.0 weight percent or lower to be established. Higher concentrations of quartz in some related soil samples were determined by comparing the absolute integrated intensity with that obtained from a pure quartz sample prepared in the same manner.

Type
Research Article
Information
Powder Diffraction , Volume 4 , Issue 4 , December 1989 , pp. 209 - 213
Copyright
Copyright © Cambridge University Press 1989

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References

Alexander, L.E. & Klug, H. P. (1948). Basic aspects of X-ray absorption in quantitative diffraction analysis of powder mixtures. Anal. Chem. 20, 886–889.CrossRefGoogle Scholar
Davis, B.L. (1986). Reference intensity method of quantitative X-ray diffraction analysis. S. Dakota School of Mines, Rapid City, SD.Google Scholar