Some Uses of Wire-Suspended Microbalances

  • S. J. Gregg
Conference paper

Abstract

Processes in which a solid takes up or gives off a gas may be followed by measuring either the change in mass of the solid (gravimetric method) or the change in pressure or volume of the gas (volumetric method). The former method offers a number of advantages, particularly the directness of the measurement, over the latter. These are illustrated in the course of the present paper, which is concerned with the application of a microbalance of the Gulbransen type to the reactions of metals with oxygen and other gases, and of carbon with oxygen, and also with the use of the Cahn recording microbalance for the determination of isotherms of physical and chemical adsorption.

Keywords

Adsorption Isotherm Relative Pressure Chemisorb Oxygen Active Alumina Adsorb Water Vapor 
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Copyright information

© Plenum Press, New York 1970

Authors and Affiliations

  • S. J. Gregg
    • 1
  1. 1.Brunel UniversityActon, London, W. 3England

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