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The relevance of Jäntti's method for the fast measurement of sorption of water vapour

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Abstract

The time necessary for the measurement of gas adsorption on a solid can be substantially reduced by using Jäntti's directions for data interpretation. This procedure already delivers results after measuring only a few values of the adsorbed mass. In earlier papers we introduced a second order adaptation to Jäntti's method to broaden its applicability. In the present paper we apply this second order treatment to the adsorption of water vapour from moistened air. Specially we pay attention to the diffusion delay caused by the boundary layer around the sample.

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References

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Author notes

  1. I. Florian

    Present address: Mundipharma GmbH, Mundipharmastr. 2, D-65549, Limburg (Lahn), Germany

Authors and Affiliations

  1. Institut für Anorganische Chemie und Analytische Chemie der Johannes Gutenberg-Universität, Duesbergweg 10-14, D-55099, Mainz, Germany

    E. Robens

  2. POROTEC GmbH, Niederhofheimer Str. 55A, D-65719, Hofheim, Germany

    I. Florian

  3. Faculty of Technical Physics, Technical University Eindhoven, Postbus 513, NL-5600, MB, Eindhoven, The Netherlands

    C. H. Massen & J. A. Poulis

Authors
  1. E. Robens
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  2. I. Florian
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  3. C. H. Massen
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  4. J. A. Poulis
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Correspondence to E. Robens.

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Robens, E., Florian, I., Massen, C.H. et al. The relevance of Jäntti's method for the fast measurement of sorption of water vapour. Journal of Thermal Analysis and Calorimetry 71, 67–71 (2003). https://doi.org/10.1023/A:1022253914623

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  • DOI: https://doi.org/10.1023/A:1022253914623

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