Direct Observation of Extraction of Cu(II) into Microcapsules Containing 8-Quinolinol by Use of Capillary and Chemiluminescence Detection

In order to observe extraction behavior of a metal ion into microcapsules containing an extraction reagent, a new method using a fused-silica capillary and chemiluminescence (CL) detection was developed. The microcapsules were prepared from hexamethylenediamine and terephthaloyl chloride by interfac...

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Bibliographic Details
Published in:Chemistry letters 2001-06, Vol.30 (6), p.528-529
Main Authors: Tsukagoshi, Kazuhiko, Ouji, Yukiteru, Nakajima, Riichiro
Format: Article
Language:English
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Summary:In order to observe extraction behavior of a metal ion into microcapsules containing an extraction reagent, a new method using a fused-silica capillary and chemiluminescence (CL) detection was developed. The microcapsules were prepared from hexamethylenediamine and terephthaloyl chloride by interfacial polymerization. 8-Quinolinol was used as an extraction reagent, with which Cu(II) was extracted into the microcapsules. An aliquot of Cu(II) aqueous solution in the emulsion including the microcapsules was delivered by siphoning through the capillary to CL detection cell. The extraction of Cu(II) into the microcapsules was directly observed by measuring the Cu(II) concentration with the CL intensity.
ISSN:0366-7022
1348-0715
DOI:10.1246/cl.2001.528