An investigation of the equivalent circuit of a conductivity cell

Title: An investigation of the equivalent circuit of a conductivity cell
Creator: Allison, Francis Sutton
Subject: Electrolytic cells
Date Issued: 1954
Date: 1954
Type: Thesis
Type: Masters
Type: MSc
Identifier: vital:4508
Identifier: http://hdl.handle.net/10962/d1013376
Description: ( i) A linear circuit is shown not to explain the behaviour of a conductivity cell towards a long rectangular pulse of amplitude less than the decomposition potential of the solution in the cell. (ii) It is shown that the flow of current through the cell is governed by diffusion to the electrode. The diffusion current expression is the familiar one used in the case of diffusion up to a plane micro-electrode, except that in this case the concentration in the layer next to the electrode is not zero, but only somewhat less than the bulk concentration. (iii) Except during a short initial period (less than 10 seconds), the resistance of the electrolytic cell varies directly with the square root of the time for which an e.m.f. (less than the decomposition potential) is applied to the cell, and inversely with the concentration difference between the electrode surface and the bulk of the solution.
Format: 141 p.
Format: pdf
Publisher: Rhodes University
Publisher: Faculty of Science, Chemistry
Language: English
Rights: Allison, Francis Sutton

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