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Measurements of diffusion coefficients in liquids

✍ Scribed by Claessens, H. A. ;van den Berg, J. H. M.

Publisher: John Wiley and Sons
Year: 1982
Tongue: English
Weight: 135 KB
Volume: 5
Category: Article
ISSN: 0935-6304
DOI: 10.1002/jhrc.1240050811

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✦ Synopsis

performed in a straight tube. It will be clear from this figure that accurate measurements can only be carried out at linear flow (2) velocitieslowerthan 20cm s-'.Tablesl,2,and3listthediffusion coefficients ofvariouscomponentscommonlyusedforcharacterization of the efficiency of reversed phase and straight phase liquid chromatographic columns, respectively. As can be seen from these tables, the deviation of the measured values from those calculated according the equation of Wilke and Chang [3] ranges from 1 to 350/0.

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