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Fast Gas Adsorption Measurements For Complicated Adsorption Mechanisms

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Abstract

Jäntti introduced a method to reduce the time required for the stepwise measurement of adsorption isotherms. After each pressure change he measured the adsorbed mass three times and calculated its equilibrium value at the new pressure. In the present paper, we discuss the applicability of this method in a broader scope without starting from a given combination of sorptive and adsorbent and the influence of measuring inaccuracies. The method is applied to detect whether the adsorption process is based on more than one adsorption mechanism or not.

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REFERENCES

  1. O Jäntti, J. Junttila and Yrjänheikki, In: Progress in Vacuum Microbalance Techniques, T. Gast and E. Robens (eds.), Vol. 1, Heyden, London 1972, p. 345.

  2. J. A. Poulis, C. H. Massen, E. Robens and K. K. Unger, In: Characterisation of Porous Solids V, K. K. Unger, G. Kreysa and J. P. Baselt (eds), Elsevier, Amsterdam 2000, p. 151.

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  3. E. Robens, C. H. Massen and J. A. Poulis, IX. POROTEC-Workshop über die Charakterisierung von feinteiligen und porösen Festkörpen, 11–12, 11, 1998, Bad Soden.

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Authors and Affiliations

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

    E. Robens

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

    J. A. Poulis & C. H. Massen

Authors
  1. E. Robens
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  2. J. A. Poulis
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  3. C. H. Massen
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Robens, E., Poulis, J.A. & Massen, C.H. Fast Gas Adsorption Measurements For Complicated Adsorption Mechanisms. Journal of Thermal Analysis and Calorimetry 62, 429–433 (2000). https://doi.org/10.1023/A:1010190131304

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  • DOI: https://doi.org/10.1023/A:1010190131304

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