Rapid Electroconcentration in a Tube of 25-40 Microliters under a Relatively Low Applied Voltage

Electroconcentration can be performed using a very simple apparatus and a simple operational procedure. The apparatus is composed of one tube, two electrodes and a power supply. The total sample solution employed for electroconcentration was just 25-40μl. After a tube of silicone rubber (i.d. 1mm, 3...

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Veröffentlicht in:	Analytical Sciences 1996/08/10, Vol.12(4), pp.581-586
Hauptverfasser:	KITAGAWA, Shinya, ARAGAKI, Tsutomu, TSUDA, Takao, MATSUMOTO, Takatoshi
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical chemistry Chemistry electric field Electrochemical methods Electroconcentration electrode transfer electrophoretic mobility Exact sciences and technology micro volume preconcentration
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container_title	Analytical Sciences
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creator	KITAGAWA, Shinya ARAGAKI, Tsutomu TSUDA, Takao MATSUMOTO, Takatoshi
description	Electroconcentration can be performed using a very simple apparatus and a simple operational procedure. The apparatus is composed of one tube, two electrodes and a power supply. The total sample solution employed for electroconcentration was just 25-40μl. After a tube of silicone rubber (i.d. 1mm, 30-50mm long) was filled with a sample solution, an electric voltage was applied along the tube, and a charged solute was forced to migrate to the end of the tube. With an application of 200-400V for only 2-4min, the concentration of the solute was enhanced up to 10 times. In the present electroconcentration, the sample is concentrated in a few microliters. Electroconcentration by electrode transfer is also proposed.
doi_str_mv	10.2116/analsci.12.581
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source	J-STAGE Free; Freely Accessible Japanese Titles; EZB-FREE-00999 freely available EZB journals; Free Full-Text Journals in Chemistry
subjects	Analytical chemistry Chemistry electric field Electrochemical methods Electroconcentration electrode transfer electrophoretic mobility Exact sciences and technology micro volume preconcentration
title	Rapid Electroconcentration in a Tube of 25-40 Microliters under a Relatively Low Applied Voltage
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