scholarly journals Polarographic Behavior of Diethylenetriaminepentaacetic Acid at the Dropping Mercury Electrode

1967 ◽  
Vol 40 (7) ◽  
pp. 1639-1643 ◽  
Author(s):  
Mutsuo Kodama ◽  
Akiko Kimura
Keyword(s):  
Mercury Electrode ◽  
Diethylenetriaminepentaacetic Acid ◽  
Polarographic Behavior ◽  
Dropping Mercury Electrode

POLAROGRAPHIC BEHAVIOR OF THE VIOLOGEN INDICATORS

1957 ◽  
Vol 35 (7) ◽  
pp. 646-650 ◽  
Author(s):  
R. M. Elofson ◽  
R. L. Edsberg
Keyword(s):  
Methyl Viologen ◽  
Mercury Electrode ◽  
Single Electron ◽  
Second Step ◽  
Polarographic Behavior ◽  
Benzyl Viologen ◽  
Dropping Mercury Electrode ◽  
Ph Range ◽  
Reversible Reduction

The polarographic behavior of 1,1′-dimethyl- and 1,1′-dibenzyl-4,4′-bipyridinium dichloride has been investigated over the pH range of 1 to 13. Reversible reduction waves are obtained for the first single-electron step for both compounds. The second step is electrochemically irreversible but evidence is presented to indicate that the second step is fleetingly reversible at the dropping mercury electrode for methyl viologen but not benzyl viologen. Minor waves due to adsorption of the reduced viologen on the surface of the mercury have been observed.

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