Thirunavukarasu, P. and Udupa, K.S. and Rawat, N.S.
(1986)
Electrochemical behaviour of dimethyl hydrazones - part – 1 cyclohexanone dimethyl hydrazone.
Bulletin of Electrochemistry , 2 (2).
pp. 163-165.
ISSN 0256-1654
Abstract
The polarographic behaviour of cyclohexanone dimethyl hydrazone at dropping mercury electrode in
aqueous alcoholic medium has been investigated in presence of 0.1 M KC1 as supportingelectrolyle.The
effect of depolariser concentration, pH, and drop time on the wave characteristics and the reaction
mechanism occurring at the surface of the mercury drop electrode have been studied. Well defined
ineversible diffusion controlled two cathodic waves were obtained in this medium between the DH ranae
6 and 8.2 and a single wave of irreversible and diffusion controlled nature was obtained between the pH12
to 6 and 8.210 10.4. a, n. and 'n' values and electrochemical reaction order of the system were calculated.
The linearity of the diffu%on current with concentration of the depolariser provides a rapid and precise
method for the estimation of this dimethyl hydrazone in the concentration down to 10-4 M in aqueous
alcoholic medium.
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