Comparison between the hodograph transform method and frontal chromatography for the measurement of binary competitive adsorption isotherms

Frontal analysis is an accurate method of isotherm determination. However, for the study of binary competitive isotherms, it requires a large number of measurements, it is time consuming and it needs excessive amounts of pure chemicals. The hodograph transform method is of considerable interest beca...

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Bibliographic Details
Published in:Journal of Chromatography A 1992-06, Vol.603 (1), p.13-25
Main Authors: Ma, Zidu, Guiochon, Georges
Format: Article
Language:English
Subjects:
Chemistry
Exact sciences and technology
General and physical chemistry
Solid-liquid interface
Surface physical chemistry
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Summary:Frontal analysis is an accurate method of isotherm determination. However, for the study of binary competitive isotherms, it requires a large number of measurements, it is time consuming and it needs excessive amounts of pure chemicals. The hodograph transform method is of considerable interest because it uses much smaller amounts of chemicals. It requires validation. In this work, the potential precision and accuracy of the two methods were compared and the optimum experimental conditions for each were determined on the basis of simulation study.
ISSN:0021-9673
DOI:10.1016/0021-9673(92)85341-P