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  Online Monitoring of Preferential Crystallization of Enantiomers

Alvarez Rodrigo, A., Lorenz, H., & Seidel-Morgenstern, A. (2004). Online Monitoring of Preferential Crystallization of Enantiomers. Chirality, 16, 499-508. doi:10.1002/chir.20067.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-9E67-E Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-B880-4
Genre: Journal Article

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 Creators:
Alvarez Rodrigo, A., Author
Lorenz, H.1, Author              
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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 Abstract: Polarimetry is used for continuous online monitoring of optical resolution by preferential crystallization. In combination with refractometry the liquid phase composition is determined, allowing one to follow the resolution progress quantitatively. The measurement techniques were calibrated up to relatively high solution concentrations and combined with the crystallizer. The resolution of DL-threonine was performed by preferential crystallization experiments in aqueous solution varying several process parameters like supersaturation, seed amount, initial enantiomeric excess, and scale. The resolution progress can be conveniently described by profiles of the optical rotation (polarimetric signal) and the crystallization pathway in the corresponding ternary phase diagram. The method outlined is applicable for dynamic process optimization and control purposes in "quasi-continuous" chiral separation processes. Copyright © 2004 Wiley-Liss, Inc., A Wiley Company [accessed 2013 November 27th]

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Language(s): eng - English
 Dates: 2004
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: eDoc: 207900
Other: 42/04
DOI: 10.1002/chir.20067
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Title: Chirality
  Other : Chirality
Source Genre: Journal
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Publ. Info: New York : J. Wiley
Pages: - Volume / Issue: 16 Sequence Number: - Start / End Page: 499 - 508 Identifier: ISSN: 0899-0042
CoNE: https://pure.mpg.de/cone/journals/resource/954925561581