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  Preparative gradient chromatography

Seidel-Morgenstern, A. (2005). Preparative gradient chromatography. Chemical Engineering and Technology, 28(11), 1265-1273. doi:10.1002/ceat.200500125.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-9CF9-9 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-8A21-C
Genre: Journal Article

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ASM_ams_1757619.pdf (Postprint), 649KB
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This publication is with permission of the rights owner freely accessible due to an Alliance license and a national license (funded by the DFG, German Research Foundation) respectively.
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 Creators:
Seidel-Morgenstern, A.1, 2, Author              
Affiliations:
1Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738150              
2Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              

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Free keywords: Chromatography; Preparative chromatography
 Abstract: During a chromatographic separation, it is convenient to keep the essential operating parameters like temperature, pressure, mobile phase flow-rate, and mobile phase composition constant. Though, it is well known that in contrast to this isocratic operation the intelligent modulation of certain operating parameters can improve the separation performance significantly. Such gradient approaches are widely applied in analytical (linear) chromatography to reduce the time of analysis and to enhance the selectivity. In contrast, the extent of application of these gradients is still rather limited in the field of preparative (nonlinear) chromatography. The first part of this paper is devoted to the discussion of the principal differences between linear and nonlinear and isocratic and gradient chromatography. The second part focuses on introducing a countercurrent process that allows separation in a continuous manner, efficiently exploiting a two-step solvent composition gradient. Copyright © 2005 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim [accessed February 8th 2013]

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Language(s): eng - English
 Dates: 2005
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: eDoc: 239781
DOI: 10.1002/ceat.200500125
Other: 43/05
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Title: Chemical Engineering and Technology
Source Genre: Journal
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Publ. Info: New York : J. Wiley
Pages: - Volume / Issue: 28 (11) Sequence Number: - Start / End Page: 1265 - 1273 Identifier: ISSN: 0930-7516
CoNE: https://pure.mpg.de/cone/journals/resource/991042744467904