Physics of Non Crystalline Solids
Proceedings of the 5th International Conference / Physique des Solides Non Cristallins
Comptes rendus du 5ème Congrès International

J. Phys. Colloques 43 (1982) C9-649-C9-652
DOI: 10.1051/jphyscol:19829129

THE LEACHING OF SODIUM CONTAINING GLASSES : ION EXCHANGE OR DIFFUSION OF MOLECULAR WATER ?

B.M.J. Smets¹ et T.P.A. Lommen<sup>2

1</sup>  Philips Research Laboratories, 5600 JA Eindhoven, The Netherlands
²  Philips Research Laboratories , 5600 JA Eindhoven, The Netherlands

Abstract
La corrosion du verre a été étudiée à l'aide de la technique SIMS. La lixiviation des ions de sodium liés aux atomes d'oxygène non-pontants est déterminée par la diffusion de H₂O. Les ions liés aux entités AlO₄ sont échangés contre H₃O.

Abstract
The corrosion of glass was studied using SIMS. The leaching of sodium ions bonded to non-bridqing oxygen atoms is governed by the diffusion of H₂O. The sodium ions bonded to AlO₄-groups undergo an ion exchange with H₃O⁺ .

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