Saving time when measuring BET isotherms

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

Research output: Contribution to journalArticleAcademicpeer-review

3 Citations (Scopus)
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Abstract

The measurement of adsorption isotherms and the detn. of surface properties of a solid by means of the BET equation usually takes a lot of time as it involves measurement of several dynamic adsorption curves each at a given gas pressure. Two different timesaving approaches are suggested: (a) the beginning of a single dynamic curve is considered and (b) the beginnings of a no. of different dynamic curves is considered. Approach (a) is less time consuming than approach (b), where approach (b) yields more accurate ests. of the BET-parameters. A discussion is given of the possibilities of using the time saving procedure of Jaentti for the two approaches. [on SciFinder (R)]
Original languageEnglish
Pages (from-to)391-393
JournalJournal of Colloid and Interface Science
Volume311
Issue number2
DOIs
Publication statusPublished - 2007

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