Kinetics of Aqueous Polysulfide Solutions: I . Theory of Coupled Electrochemical and Chemical Reactions, Response to a Potential Step

1986 ◽  
Vol 133 (12) ◽  
pp. 2510-2516 ◽  
Author(s):  
Philip Lessner ◽  
Jack Winnick ◽  
Frank R. McLarnon ◽  
Elton J. Cairns
Keyword(s):  
Chemical Reactions ◽  
Potential Step ◽  
Kinetics Of

New highly efficient coulometric cell with homogenous potential distribution on the working electrode

1986 ◽  
Vol 51 (3) ◽  
pp. 636-642
Author(s):  
Michal Németh ◽  
Ján Mocák
Keyword(s):  
Chemical Reactions ◽  
Potential Distribution ◽  
Anaerobic Conditions ◽  
Highly Efficient ◽  
Working Electrode ◽  
Constant Potential ◽  
Quantitative Analyses ◽  
Mechanism And Kinetics ◽  
Kinetics Of

A highly efficient coulometric cell was designed and constructed, ensuring a constant potential over the whole surface of the working electrode and suitable for very rapid electrolysis. It consists of concentric cylindrical Teflon parts; also the working and auxiliary electrodes are cylindrical and concentric. Electrolysis can be carried out under anaerobic conditions. Functioning of the cell was tested on the oxidation of hexacyanoferrate(II) and chlorpromazine and reduction of hexacyanoferrate(III). The new cell is suitable for routine quantitative analyses and in studying the mechanism and kinetics of moderately rapid chemical reactions.

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