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Measurements of Intraparticle Diffusion by Liquid Chromatography
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SYSNO ASEP 0313128 Document Type C - Proceedings Paper (int. conf.) R&D Document Type The record was not marked in the RIV Title Measurements of Intraparticle Diffusion by Liquid Chromatography Title Měření vnitřní difuze pomocí kapalinové chromatografie Author(s) Soukup, Karel (UCHP-M) RID, SAI, ORCID
Schneider, Petr (UCHP-M) RID
Šolcová, Olga (UCHP-M) RID, ORCID, SAISource Title Summaries 2, Separation Processes. - Praha : Process Engineering Publisher, 2008 - ISBN 978-80-02-02049-3 Pages s. 706 Number of pages 1 s. Publication form CD ROM - CD ROM Action 18th International Congress of Chemical and Process Engineering CHISA 2008 Event date 24.08.2008-28.08.2008 VEvent location Praha Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords transport mechanism ; liquid chromatography Subject RIV CF - Physical ; Theoretical Chemistry R&D Projects IAA4072404 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z40720504 - UCHP-M (2005-2011) Annotation Liquid chromatography setup was used in liquid diffusion studies. The Kubin-Kucera model was employed for mathematical description of processes inside the chromatographic column. Effective diffusivities were evaluated by time-domain fitting chromatographic response peaks of columns packed with tested porous particles. Axial dispersion coefficients were determined independently by analysis of response peaks of columns packed with nonporous pellets; this improved significantly the confidence of effective diffusion coefficients. An attempt was made to exclude the end effects of chromatographic columns by analyzing response peaks of pairs of columns differing by lengths. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2009
Number of the records: 1