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Quantitative X-ray Diffraction Analysis of Smectites: I – Mass Attenuation Calculations for Smectite Analyses

Published online by Cambridge University Press:  06 March 2019

H. Chen  and
B. L. Davis
H. Chen
Affiliation:
Engineering and Mining Experiment Station (EMES) South Dakota School of Mines and Technology Rapid City, South Dakota 57701-3995
B. L. Davis
Affiliation:
Engineering and Mining Experiment Station (EMES) South Dakota School of Mines and Technology Rapid City, South Dakota 57701-3995
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Extract

In smectite analyses, the investigation of the attenuation contribution to quantitative x-ray diffraction (XRD) analysis is a most important topic, including Fe content and distribution. This is the first part of a comprehensive study on smectite analysis addressing the nature and location of Fe atoms within the octahedral sites, interlayer regions, and intergranular interfaces. This first paper treats the mass attenuation measurements and calculations (Davis and Johnson, 1987). Additional reports will be made in the future on Fe studies involving measured and calculated reference intensity ratio measurements and structural studies based on SEM and TEM analysis.

Type
II. Phase Analysis, Accuracy and Standards in Powder Diffraction
Information
Advances in X-Ray Analysis , Volume 38: Forty-third Annual Conference on Applications of X-ray Analysis , 1994 , pp. 83 - 90
Copyright
Copyright © International Centre for Diffraction Data 1994

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References

Davis, B. L. and Ronald Johnson, L., 1987, the use of mass absorption in quantitative x-ray diffraction analysis, Adv. X-ray Anal, 30, 333–342.Google Scholar
Davis, B. L., 1992, Quantitative phase analysis with reference intensity ratios, National Institute of Standards and Technology Special Publication 846. Proceedings of the International Conference Accuracy in Powder Diffraction II, held at NIST, Gaithersburg, Md., May 26-29, 7 pp.Google Scholar
Ralph, Grim E., 1953, “Clay Mineralogy”, McGraw-Hill, New York, 596 pp.Google Scholar
Deer, W.A., Howie, R.A., and Zussman, J., 1963, “Rock Forming Minerals”, Vol. 3, Sheet Silicates. John Wiley & Sons, New York, 232 pp.Google Scholar