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Comparative Studies of the Degradation of Several Zeolites Under Electron Irradiation

  • D. R. Acosta (a1), O. Guzman (a1), P. Del Angel (a1) and J. Dominguez (a1)

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High resolution electron microscopy has proven to be a powerful technique to determine structural characteristics of zeolites (l–2),symmetry variations and identification of several kind of defects.Together with ideal projected potential images, the microscopist usually finds in electron micrographs the influence of electro-optical parameters and alterations of the crystallinity of the material under electron irradiation. One of the purposes of this workis to contributetothe understanding of the degradation process of zeolites under electron irradiation in the electron microscope and in this way, discriminate when it is possible, what is reliable information recorded in the images obtained in high resolution conditions.

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1.- Thomas, J. et al.:”Intrazeolite Chemistry”ACS Series,1983
2.- Domínguez, J.M. et al.:J.of Cat. 83,450,1983
3.- Acosta, D.R.: EMSA Procc. 1986, page 852
4.- Bursill, L. Thomas, J.:J.Phys.Chem. 85,3007,191
5.- Karger, J. et al.:Zeolites 6,146,1986

Comparative Studies of the Degradation of Several Zeolites Under Electron Irradiation

  • D. R. Acosta (a1), O. Guzman (a1), P. Del Angel (a1) and J. Dominguez (a1)

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