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X.R.F Analysis of Steelmaking Slags Using Special Sample Preparation Techniques

Published online by Cambridge University Press:  06 March 2019

W. Van de Vrande ,
D. Cosma  and
W. Tekatch
W. Van de Vrande
Affiliation:
Dominion Foundries and Steel, Limited, Hamilton, Ontario, Canada
D. Cosma
Affiliation:
Dominion Foundries and Steel, Limited, Hamilton, Ontario, Canada
W. Tekatch
Affiliation:
Dominion Foundries and Steel, Limited, Hamilton, Ontario, Canada
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Abstract

X.R.F. analysis of steelmaking slags has been done routinely since the 1960s. Fused buttons or pressed powdered pellets are used.

Under certain conditions steelmaking slags may contain appreciable amounts of free lime and metallic iron droplets. These can cause gross inaccuracies in the result of the X.R.F. analysis as the normal correction procedures used in X-ray fluorescence techniques can not compensate for them.

A special sample preparation technique as well as appropriate analytical procedures will be discussed. Examples of slags with different levels of free lime and metallic iron will be shown.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 21: Twenty-Sixth Annual Conference on Applications of X-ray Analysis, August 3-5, 1977 , 1977 , pp. 25 - 33
Copyright
Copyright © International Centre for Diffraction Data 1977

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References

1. Liebhafsky, H.A., Pfeiffer, H.G., Winslow, E.H. and Zemany, P.D., “Analytical Chemistry” (New York: Wiley Interscience, 1960), pp. 389–391.Google Scholar
2. Lamorte, C., France, Irsid. Private communications, 1964.Google Scholar
3. Muller, C.M. and Fix, W., “Determination of Free Lime in Steelmaking Slags - Selection of a Solvent, “Archiv fur das Eisenhuttenwesen”, Vol 45 No. 10 (Oktober 1975), 685–691.Google Scholar