Criticism on Jäntti's Three Point Method on curtailing gas adsorption measurements

C.H. Massen, J.A. Poulis, E. Robens

Research output: Contribution to journalArticleAcademicpeer-review

15 Citations (Scopus)

Abstract

Jäntti introduced a method to reduce the time required for the stepwise measurement of adsorption isotherms (Jäntti et al., Progress in Vacuum Microbalance Techniques, Vol. 1, Heyden, London, pp. 345–353, 1972). After a pressure change he measured the adsorbed mass three times and calculated its equilibrium value for the new pressure. In the present paper we discuss the applicability of this method in a broader scope (without starting from a single combination of gas and solid adsorbent) and also discuss the influence of measurement inaccuracies. It is shown that the method can serve as an early warning system, which decides whether an improvement of the adsorption model is necessary.
Original languageEnglish
Pages (from-to)229-232
Number of pages4
JournalAdsorption
Volume6
Issue number3
DOIs
Publication statusPublished - 2000

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