Stabilization of silver paramagnetic particles in aluminium silicate modified by magnesium

https://doi.org/10.1016/1359-0197(86)90048-2Get rights and content

Abstract

Under identification and determination were ESR spectral parameters of silver particles stabilized by γ-irradiated aluminium silicate (AS) modified by magnesium, and containing an 109 Ag isotope. A paramagnetic Ag+2 complex was found to exist, as well as silver atoms occupying different stabilization sites. Quantitative correlations of paramagnetic silver particles stabilized in AS modified by magnesium were found to depend on the method of sample preparation, the irradiation dose and temperature. The kinetics of thermodynamic transformations of paramagnetic silver particles was studied within the temperature range of 77–373 K. A study of the interaction between oxygen and γ-irradiated silver-containing AS modified by magnesium revealed unambiguous existence of silver atoms on the carrier surface and silver atoms stabilized in the surface layer of the carrier, which do not react with oxygen at 77 K.

References (18)

  • G.V. Pavilova et al.

    J. Phys. Chem.

    (1981)
  • G.M. Popovich et al.

    J. Phys. Chem.

    (1983)
  • G. Breit et al.

    Phys. Rev.

    (1931)
  • R.A. Zhitnikov et al.

    Phizika tverdogo tela

    (1965)
  • G.M. Popovich et al.

    Vesinik MGU, Khimiya

    (October 5, 1973)
  • R.A. Zhitnikov et al.

    Phizika tverdogo tela

    (1966)
  • C.L. Gardner et al.

    J. Phys. Chem.

    (1970)
  • C.L. Gardner et al.

    J. Phys. Chem.

    (1971)
  • H. Starkie et al.

    J. Phys. Chem.

    (1971)
There are more references available in the full text version of this article.

Cited by (0)

View full text
Copyright © 1986 Published by Elsevier Ltd.