Universal law of fractionation for slightly polydisperse systems

Evans, R.M.L., Fairhurst, D.J. ORCID: 0000-0001-5311-0762 and Poon, W.C.K., 1998. Universal law of fractionation for slightly polydisperse systems. Physical Review Letters, 81 (6), pp. 1326-1329. ISSN 0031-9007

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By perturbing about a general monodisperse system, we provide a complete description of two-phase equilibria in any system which is slightly polydisperse in some property (e.g., particle size, charge, etc.). We derive a universal law of fractionation which is corroborated by comprehensive experiments on a model colloid-polymer mixture. We furthermore predict that phase separation is an effective method of reducing polydispersity only for systems with a skewed distribution of the polydisperse property.

Item Type: Journal article
Publication Title: Physical Review Letters
Creators: Evans, R.M.L., Fairhurst, D.J. and Poon, W.C.K.
Publisher: American Physics Society
Date: 1998
Volume: 81
Number: 6
ISSN: 0031-9007
Divisions: Schools > School of Science and Technology
Record created by: EPrints Services
Date Added: 09 Oct 2015 11:17
Last Modified: 09 Jun 2017 13:54
URI: https://irep.ntu.ac.uk/id/eprint/25500

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