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Determination of specific surface by the BET method

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Abstract

The theoretical background of the adsorption isotherm equation of Brunauer, Emmett and Teller is reviewed, together with the experimental techniques available for measuring physical adsorption of gases by solids. Examples are given to show how such measurements are used to determine the specific surface of constructional materials.

Résumé

On peut déterminer la surface spécifique par des mesures d’adsorption des gaz ou des vapeurs d’après la théorie de Brunauer-Emmett-Teller, que l’on examine ici, de même que les techniques expérimentales disponibles: méthodes statiques (volumétriques ou gravimétriques) et dynamiques plus ou moins complexes. En s’aidant d’exemples, on discute l’application de la théorie de B.E.T. à la détermination de la surface spécifique des matériaux de construction.

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Authors and Affiliations

  1. Division of Building Materials, The Lund Institute of Technology, Lund, Sweden

    G. Fagerlund

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  1. G. Fagerlund
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Fagerlund, G. Determination of specific surface by the BET method. Mat. Constr. 6, 239–245 (1973). https://doi.org/10.1007/BF02479039

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