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Measurement of Mass-Transfer Coefficients by an Electrochemical Technique

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P. Cañizares , J. García-Gómez , I. Fernández de Marcos , M. A. Rodrigo and J. Lobato

Chemical Engineering Department, Faculty of Chemistry, University of Castilla–La Mancha, Campus Universitario s/n, 13071 Ciudad Real, Spain

J. Chem. Educ., 2006, 83 (8), p 1204

DOI: 10.1021/ed083p1204

Publication Date (Web): August 1, 2006

Section:

History, Education, and Documentation

Abstract

This article describes a simple laboratory experiment to teach students how to measure mass-transfer coefficients by an electrochemical technique. The experiment allows the students to increase their knowledge about mass transfer and its importance in chemical processes. A simple Microsoft Excel spreadsheet allows students to correlate experimental data in laminar and turbulent regimes. Results obtained can be compared with those obtained from a well-known equation given in electrochemistry and chemical engineering books.

Keywords (Audience):

Graduate Education / Research

Keywords (Domain):

Analytical Chemistry

Keywords (Pedagogy):

Hands-On Learning / Manipulatives

Keywords (Subject):

Electrochemistry

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History

Received: August 03, 2009

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Measurement of Mass-Transfer Coefficients by an Electrochemical Technique