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  Solid−Liquid Equilibria of Mandelic Acid Enantiomers in Two Chiral Solvents: Experimental Determination and Model Correlation

Tulashie, S. K., Kaemmerer, H., Lorenz, H., & Seidel-Morgenstern, A. (2010). Solid−Liquid Equilibria of Mandelic Acid Enantiomers in Two Chiral Solvents: Experimental Determination and Model Correlation. Journal of Chemical and Engineering Data, 55(1), 333-340. doi:10.1021/je900353b.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-9032-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-B4E0-0
Genre: Journal Article

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 Creators:
Tulashie, S. K.1, Author              
Kaemmerer, H.2, 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: A study of the ternary solubility phase diagrams of enantiomeric mandelic acid species in the chiral solvents (S)-ethyl lactate and (2R,3R)-diethyl tartrate has been carried out. The solubility measurements were conducted for enantiomeric compositions between the racemic compound and the single enantiomer for temperatures between (273 and 333) K. Experimental results showed no evidence of differences in the solubility of both enantiomers in both chiral solvents. The ideal solubility curves of the mandelic acid species as well as of the racemic compound revealed large deviations from experimental data. The nonrandom two-liquid (NRTL) model was applied to quantify and parameterize the solid−liquid equilibria (SLE) by means of activity coefficients. Hereby, pronounced solute−solute interactions were found, while solvent−solute interactions were interpreted as being nonchiral specific. Copyright © 2010 American Chemical Society [accessed Januar 26, 2010]

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Language(s): eng - English
 Dates: 2010
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 438357
Other: 29/10
DOI: 10.1021/je900353b
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Title: Journal of Chemical and Engineering Data
Source Genre: Journal
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Publ. Info: Washington : American Chemical Society
Pages: - Volume / Issue: 55 (1) Sequence Number: - Start / End Page: 333 - 340 Identifier: ISSN: 0021-9568
CoNE: https://pure.mpg.de/cone/journals/resource/991042728182784