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  Quantification of single solute and competitive adsorption isotherms using a closed-loop perturbation method

Blümel, C., Hugo, P., & Seidel-Morgenstern, A. (1999). Quantification of single solute and competitive adsorption isotherms using a closed-loop perturbation method. Journal of Chromatography A, 865, 51-71. doi:10.1016/S0021-9673(99)00920-6.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-A2AB-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-A9C3-2
Genre: Journal Article

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Blümel, C., Author
Hugo, P., 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 modification of the perturbation method for measuring the isotherms of the adsorption of dissolved components on stationary phases is suggested. The general principle of the method is to analyze how the chromatographic system responses to small perturbations at different equilibrium concentrations. The perturbations can be introduced by injecting small samples of a solution with a concentration different than the equilibrium concentration. Essential advantages of this method are: (a) no detector calibration is required and (b) experiments with mixtures can be performed and analyzed efficiently if no pure components are available. Peculiarity of the method used in this work is the application of a closed-loop arrangement allowing the efficient exploitation of the sample. Experimental data for different chromatographic systems are presented to illustrate the method.

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Language(s): eng - English
 Dates: 1999
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 112037
DOI: 10.1016/S0021-9673(99)00920-6
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Title: Journal of Chromatography A
Source Genre: Journal
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Pages: - Volume / Issue: 865 Sequence Number: - Start / End Page: 51 - 71 Identifier: -