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A gas adsorption method for rapid comparison of specific surface areas

Published online by Cambridge University Press:  14 March 2018

J.M. Haynes
J.M. Haynes*
Affiliation:
Research Laboratories, English Clays Lovering Pochin & Co. Ltd., St. AustellCornwall
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Abstract

A single measurement of the adsorption of atmospheric air on a dried, finely-divided solid at − 183°C carried out in a simple apparatus which does not require a high vacuum system, can be related empirically to the specific surface as determined by the Brunauer, Emmett and Teller procedure, with, generally, less than 10 per cent. error. The method is rapid and simple, and therefore suitable for routine use.

Type
Research Article
Information
Clay Minerals Bulletin , Volume 4 , Issue 22 , December 1959 , pp. 69 - 74
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1959

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