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Semi-Quantitative X-Ray Diffraction Analysis of Fly Ash by the Reference Intensity Ratio Method

Published online by Cambridge University Press:  21 February 2011

Gregory J. McCarthy  and
A. Thedchanamoorthy
Gregory J. McCarthy
Affiliation:
Department of Chemistry, North Dakota State University, Fargo ND 58105
A. Thedchanamoorthy
Affiliation:
Department of Chemistry, North Dakota State University, Fargo ND 58105
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Abstract

A protocol for relatively inexpensive and rapid semi-quantitative x-ray diffraction analysis of fly ash mineralogy by the Reference Intensity Ratio (RIR) method is described. RIR's for the common crystalline phases in fly ashes derived from low rank and bituminous coal are given. The method is semi-quantitative for some phases because of unavoidable overlaps of the stronger peaks suitable for quantitation. Use of the protocol is illustrated with the four fly ash Standard Reference Materials supplied by the National Institute of Standards and Technology. Recommendations for implementation of this protocol in other laboratories and for improvements in quantitation of fly ash mineralogy are given.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 136: Symposium O – Fly Ash and Coal Conversion By-Products V , 1988 , 67
Copyright
Copyright © Materials Research Society 1989

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References

REFERENCES

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