Issue
J. Phys. Colloques
Volume 40, Number C2, Mars 1979
International Conference on The Applications of The Mössbauer Effect
Page(s) C2-76 - C2-77
DOI https://doi.org/10.1051/jphyscol:1979226
International Conference on The Applications of The Mössbauer Effect

J. Phys. Colloques 40 (1979) C2-76-C2-77

DOI: 10.1051/jphyscol:1979226

MÖSSBAUER STUDY OF SILICA SUPPORTED CATALYSTS

I. Dézsi1, D.L. Nagy1, M. Eszterle2 and L. Guczi2

1  Central Research Institute for Physics, H-1525 Budapest
2  Institute of Isotopes H-1525 Budapest, Hungary


Résumé
On a étudié Fe, Fe-Ru et Fe-Pt fortement dispersés sur des supports en silice pour analyser l'état électronique et structurel du fer pendant la préparation des échantillons. Une forte dispersion du fer est obtenue si on se sert d'une solution à pH = 1 pour l'imprégnation. La forte dispersion est retenue pendant les procédés de calcination et de réduction.


Abstract
Highly dispersed Fe, Fe-Ru and Fe-Pt supported on silica have been studied to analyse the electronic and structural state of iron during sample preparation procedure. High dispersity of iron was achieved by performing the impregnation with the use of pH = 1 solutions. The high dispersity was retained throughout the calcination and reduction processes.