Journal Article Kinetic Analysis of the Solvent Extraction of Cadmium(II) Complexes Using a Cadmium-deposited Recessed Microelectrode and Confocal Fluorescence Microscope

NAKATANI, Kiyoharu  ,  SAWADA, Naoki  ,  SATO, Tatsumi

33 ( 9 )  , pp.1081 - 1084 , 2017-09 , The Japan Society for Analytical Chemistry
ISSN:0910-6340
NCID:AA10500785
Description
Using a Cd-deposited microelectrode, an electrochemically generated Cd(II) ion in a micro-water phase was reacted with 5-octyloxymethyl-8-quinolinol (HC8Q) in 1,6-dichlorohexane. The fluorescence intensity of Cd(C8Q)2 near the water/oil interface (IF) was analyzed under a confocal fluorescence microscope. The rate of decrease of IF was independent of the HC8Q concentration and pH, but was influenced by the phase-boundary potential between the water and oil phases, suggesting that Cd(II) extraction is governed by Cd(C8Q)+ desorption at the interface.
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