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Utility of the MÖssbauer Effect in the Assessment of Chemical Transformations in Unsupported Catalyst Systems as a Function of the Metal Salt

Published online by Cambridge University Press:  15 February 2011

Mary L. Good ,
M. Akbarnejad ,
M. D. Patil  and
J. T. Donner
Mary L. Good
Affiliation:
Division of Engineering Research, Louisiana State University, Baton Rouge, Louisiana 70803
M. Akbarnejad
Affiliation:
Division of Engineering Research, Louisiana State University, Baton Rouge, Louisiana 70803
M. D. Patil
Affiliation:
Division of Engineering Research, Louisiana State University, Baton Rouge, Louisiana 70803
J. T. Donner
Affiliation:
Division of Engineering Research, Louisiana State University, Baton Rouge, Louisiana 70803
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Abstract

This paper is presented to illustrate the utility of Fe-57 Mössbauer spectroscopy in the physical and chemical characterization of metallic catalysts as a function of preparation and subsequent treatment. The particular example chosen for investigation is the Ru-Fe bimetallic salt system which has significant potential as an active Fischer-Tropsch catalyst. The interpretation of the resulting Mössbauer parameters provides information on the chemical state of the metals as a function of treatment and initial salt properties and allows certain deductions to be made about particle size and solid state properties.

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References

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