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Effect on Separation of Injecting Samples in a Solvent Different from the Mobile Phase

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Gedicke,  K.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Antos,  D.
Rzeszow Univ Technol, Rzeszow, Poland;
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;

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Seidel-Morgenstern,  A.
Physical and Chemical Foundations of Process Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society;
Otto-von-Guericke-Universität Magdeburg, External Organizations;

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Citation

Gedicke, K., Antos, D., & Seidel-Morgenstern, A. (2007). Effect on Separation of Injecting Samples in a Solvent Different from the Mobile Phase. Journal of Chromatography A, 1162, 62-73. doi:10.1016/j.chroma.2007.02.010.


Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-98C0-5
Abstract
The separation of compounds possessing low solubility in the mobile phase could be improved by applying stronger solvents for dissolving the feed. A model system has been investigated with ethanol-water as the mobile phase, Chirobiotic T as the stationary phase and DL-threonine as the sample dissolved in pure water. The adsorption isotherms of DLthreonine were determined as a function of the water content by means of a peak fitting method. Optimal injection conditions of elution chromatography were determined by process simulation. Finally, the optima obtained were verified with experimental data. Copyright © 2013 Elsevier B.V. [accessed 2013 November 26th]