Some observations on the extraction of triphenylmethane dyes by ion-pair formation with amines as counterions
Identifieur interne : 003778 ( Main/Exploration ); précédent : 003777; suivant : 003779Some observations on the extraction of triphenylmethane dyes by ion-pair formation with amines as counterions
Auteurs : R. Izquierdo-Hornillos [Espagne] ; J. L. Peral Fernandez [Espagne] ; B. Ca As-Montalvo [Espagne]Source :
- Microchemical Journal [ 0026-265X ] ; 1989.
Abstract
Triphenylmethane dyes such as xylenol orange, glycine cresol red, and methylthymol blue by formation of ion pairs with diphenylguanidine, Amberlite LA-2, and trin-octylamine have been extracted into several solvents. The influence of the amine/solvent system, the concentration of amine, and the presence of electrolytes and the distribution parameters are discussed. As an application, the extraction of glycine thymol blue with Amberlite LA-2 solved into 1-pentanol as the most suitable extracting system was carried out.
Url:
DOI: 10.1016/0026-265X(89)90084-2
Affiliations:
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<front><div type="abstract" xml:lang="en">Triphenylmethane dyes such as xylenol orange, glycine cresol red, and methylthymol blue by formation of ion pairs with diphenylguanidine, Amberlite LA-2, and trin-octylamine have been extracted into several solvents. The influence of the amine/solvent system, the concentration of amine, and the presence of electrolytes and the distribution parameters are discussed. As an application, the extraction of glycine thymol blue with Amberlite LA-2 solved into 1-pentanol as the most suitable extracting system was carried out.</div>
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