Thermodynamic behaviour in capillary electrochromatography

J. Jiskra, H.A. Claessens, C.A.M.G. Cramers

Research output: Contribution to journalArticleAcademicpeer-review

14 Citations (Scopus)

Abstract

The thermodn. behavior of solutes was examd. on four reversed-phase (RP) stationary phases under pressure-driven (viz. high performance liq. chromatog., HPLC) and electro-driven (viz. capillary electrochromatog., CEC) conditions. Thermodn. consts. such as std. enthalpy, entropy, and Gibbs free energy were compared for both sepn. modes. Differences and/or similarities obsd. were used as a tool in gaining a better understanding of the sepn. mechanism in CEC compared to HPLC. In addn., effects of temp. on the magnitude of electroosmotic flow (EOF) are explained in detail. [on SciFinder (R)]
Original languageEnglish
Pages (from-to)569-576
JournalJournal of Separation Science
Volume25
Issue number9
DOIs
Publication statusPublished - 2002

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