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MÖssbauer Study of Iron and Tin Exchanged into Victorian Brown Coal

Published online by Cambridge University Press:  15 February 2011

J.D. Cashion ,
P.E. Clark ,
P.S. Cook ,
F.P. Larkins  and
M. Marshall
J.D. Cashion
Affiliation:
Department of Physics, Monash University, Clayton, Victoria 3168, Australia.
P.E. Clark
Affiliation:
Department of Physics, Monash University, Clayton, Victoria 3168, Australia.
P.S. Cook
Affiliation:
Department of Physics, Monash University, Clayton, Victoria 3168, Australia.
F.P. Larkins
Affiliation:
Department of Chemistry, Monash University, Clayton, Victoria 3168, Australia.
M. Marshall
Affiliation:
Department of Chemistry, Monash University, Clayton, Victoria 3168, Australia.
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Abstract

Mössbauer effect measurements have been taken of iron and tin introduced into brown coal to act as catalysts for hydrogenation. Spectra taken with 119Sn show that after introduction from solution, the tin appears as SnO2. During subsequent hydrogenation in an autoclave, some of the SnO2 is converted to β-tin and SnS. Ion-exchanged iron is shown from 57Fe measurements to occupy at least one site not populated in the native coal. Line broadening in this site and the other two original sites indicate the existence of variations in the local environment.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 3: Symposium – Nuclear and Electron Resonance Spectroscopies Applied to Materials Science , 1980 , 277
Copyright
Copyright © Materials Research Society 1981

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References

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