Ion Pair Extraction—Effect of Reagent Quantity on the Selectivity of Bromide-Chloride Separation

M. Frenkel; Y. Sasson

doi:10.1080/01496398308060300

Ion Pair Extraction—Effect of Reagent Quantity on the Selectivity of Bromide-Chloride Separation

M. Frenkel, Y. Sasson

Institute of Chemistry

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Abstract

The calculated selectivity of anions extracted from an aqueous phase into an organic solvent by a quaternary ammonium compound is highly dependent on the quantity of the reagent. Selectivity increases with a decrease in quantity of the salt (from 2.2 to 21.2 for salt quantities of 1 and 0.02 mol, respectively, in the system discussed) but never exceeds a certain value (25 in the system discussed). The same trend is observed when the volume of the organic phase is reduced. Experimental data agree well with the calculated results.

Original language	English
Pages (from-to)	635-643
Number of pages	9
Journal	Separation Science and Technology
Volume	18
Issue number	7
DOIs	https://doi.org/10.1080/01496398308060300
State	Published - 1 May 1983

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abstract = "The calculated selectivity of anions extracted from an aqueous phase into an organic solvent by a quaternary ammonium compound is highly dependent on the quantity of the reagent. Selectivity increases with a decrease in quantity of the salt (from 2.2 to 21.2 for salt quantities of 1 and 0.02 mol, respectively, in the system discussed) but never exceeds a certain value (25 in the system discussed). The same trend is observed when the volume of the organic phase is reduced. Experimental data agree well with the calculated results.",

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N2 - The calculated selectivity of anions extracted from an aqueous phase into an organic solvent by a quaternary ammonium compound is highly dependent on the quantity of the reagent. Selectivity increases with a decrease in quantity of the salt (from 2.2 to 21.2 for salt quantities of 1 and 0.02 mol, respectively, in the system discussed) but never exceeds a certain value (25 in the system discussed). The same trend is observed when the volume of the organic phase is reduced. Experimental data agree well with the calculated results.

AB - The calculated selectivity of anions extracted from an aqueous phase into an organic solvent by a quaternary ammonium compound is highly dependent on the quantity of the reagent. Selectivity increases with a decrease in quantity of the salt (from 2.2 to 21.2 for salt quantities of 1 and 0.02 mol, respectively, in the system discussed) but never exceeds a certain value (25 in the system discussed). The same trend is observed when the volume of the organic phase is reduced. Experimental data agree well with the calculated results.

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Ion Pair Extraction—Effect of Reagent Quantity on the Selectivity of Bromide-Chloride Separation

Abstract

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