Three-electrode analytical and preparative electrochemistry in micro-volume hanging droplets

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Three-electrode analytical and preparative electrochemistry in micro-volume hanging droplets. - Electrochem. Commun. 54 (2015) 41.

 

Miniaturization of analytical techniques is an important issue for samples of low availability and for the development of portable devices, aswell as for evident economic and ecological reasons (consumption of small amounts of precious and/or expensive reagents, waste production). Within this framework, electrochemistry brings a significant contribution to the analysis in small volumes, notably through the miniaturization of electrodes

 

 

This work established the validity of electrochemical investigations performed in micro-volume hanging droplets, in the presence of a conventional reference electrode. This original approach is simple, low-cost, easy to implement and versatile.Moreover, it does not require any construction of a miniaturized electrochemical cell, thus affording immediate electrochemical characterization.

 

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Résumé: 

Electrochem. Commun. 54 (2015) 41

 

Three-electrode micro-cells equipped with a conventional reference electrode (SCE) were easily constructed based on micro-volume droplets suspended by capillary forces to the fritted glass of the SCE bridge. Working and counter electrodes were simply inserted through the droplet surface, allowing classical electrochemistry to be readily performed in minute samples.

 

 

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Electrochem. Commun. 54 (2015) 41.

A. I. Perez Jimenez, L. Challier, M. Di Pisa, M. Guille-Collignon, F. Lemaître, S. Lavielle, C. Mansuy, C. Amatore, E. Labbé, O. Buriez.

Three-electrode analytical and preparative electrochemistry in micro-volume hanging droplets.