An Evaluation Method of Chromatographic Parameters from the Ion-Exchange Isotherm of Al3+-Substituted Tobermorite Cation Exchanger

Masamichi Tsuji; Sridhar Komarneni

doi:10.1080/01496399108049906

An Evaluation Method of Chromatographic Parameters from the Ion-Exchange Isotherm of Al³⁺-Substituted Tobermorite Cation Exchanger

Masamichi Tsuji, Sridhar Komarneni

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25 Scopus citations

Abstract

A new and useful method has been developed for analytical evaluation of the distribution coefficient (K_d) at an infinitesimal exchange. K_dvalues have an important role for the chromatographic separation of ions. This method is based on the extrapolation of the Kielland plot from an ion-exchange isotherm to zero loading. The usefulness of this method is exemplified by evaluation of K_dvalues for Cs⁺ on Al³⁺-substituted tobermorite which is known to exhibit high selectivity toward Cs⁺.

Original language	English (US)
Pages (from-to)	647-659
Number of pages	13
Journal	Separation Science and Technology
Volume	26
Issue number	5
DOIs	https://doi.org/10.1080/01496399108049906
State	Published - May 1 1991

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
Process Chemistry and Technology
Filtration and Separation

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title = "An Evaluation Method of Chromatographic Parameters from the Ion-Exchange Isotherm of Al3+-Substituted Tobermorite Cation Exchanger",

abstract = "A new and useful method has been developed for analytical evaluation of the distribution coefficient (Kd) at an infinitesimal exchange. Kdvalues have an important role for the chromatographic separation of ions. This method is based on the extrapolation of the Kielland plot from an ion-exchange isotherm to zero loading. The usefulness of this method is exemplified by evaluation of Kdvalues for Cs+ on Al3+-substituted tobermorite which is known to exhibit high selectivity toward Cs+.",

author = "Masamichi Tsuji and Sridhar Komarneni",

note = "Funding Information: This research was supported by the Separation Processes Program, Division of Chemical and Process Engineering, National Science Foundation, under Grant No. CBT-8619064.",

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AU - Komarneni, Sridhar

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N2 - A new and useful method has been developed for analytical evaluation of the distribution coefficient (Kd) at an infinitesimal exchange. Kdvalues have an important role for the chromatographic separation of ions. This method is based on the extrapolation of the Kielland plot from an ion-exchange isotherm to zero loading. The usefulness of this method is exemplified by evaluation of Kdvalues for Cs+ on Al3+-substituted tobermorite which is known to exhibit high selectivity toward Cs+.

AB - A new and useful method has been developed for analytical evaluation of the distribution coefficient (Kd) at an infinitesimal exchange. Kdvalues have an important role for the chromatographic separation of ions. This method is based on the extrapolation of the Kielland plot from an ion-exchange isotherm to zero loading. The usefulness of this method is exemplified by evaluation of Kdvalues for Cs+ on Al3+-substituted tobermorite which is known to exhibit high selectivity toward Cs+.

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An Evaluation Method of Chromatographic Parameters from the Ion-Exchange Isotherm of Al³⁺-Substituted Tobermorite Cation Exchanger

Abstract

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