Electrochemical Behavior of 2 '-halogenated derivatives of N,N-Dimethyl-4-aminoazobenzene at mercury electrode

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dc.contributor.authorSolak, Ali Osman
dc.contributor.departmentFen Fakültesitr_TR
dc.date.accessioned2019-07-01T13:13:35Z
dc.date.available2019-07-01T13:13:35Z
dc.date.issued2002
dc.description.abstractThe electrochemical behavior of 2'-hatogeno-N,N-dimethyl-4-aminoazobenzene derivatives was investigated using various polarographic and voltammetric methods. The peak potentials of these derivatives were observed to shift towards negative values along with an increase in the pH. A reduction of the azo linkage took place via two electrons at pH > 4, but four electrons at pH < 4 in aqueous-ethanol mixtures. The standard rate constants were determined with (Laviron technique) or without (Nicholson technique) taking the adsorption phenomena into account. The diffusion coefficients were calculated from the cyclic voltammetric data using a method developed by Garrido. The amount of adsorbed substances and transfer coefficients for the electron transfer were also determined. A mechanism for the electrode reaction is proposed. These compounds can be quantitatively determined between I x 10(-5) M and 1 x 10(-7) with DPP and CV.tr_TR
dc.description.indexWos
dc.description.indexwos
dc.identifier.endpage1002tr_TR
dc.identifier.issue09tr_TR
dc.identifier.other10.2116/analsci.18.997
dc.identifier.startpage997tr_TR
dc.identifier.urihttp://hdl.handle.net/20.500.12575/67116
dc.identifier.volume18tr_TR
dc.language.isoentr_TR
dc.relation.indexWOStr_TR
dc.relation.journalAnalytical Sciencestr_TR
dc.subjectAzo-compounds; voltammetric determination; azobenzene derivatives; chemical carcinogens; metal-complexes; polarographytr_TR
dc.titleElectrochemical Behavior of 2 '-halogenated derivatives of N,N-Dimethyl-4-aminoazobenzene at mercury electrodetr_TR
dc.typeArticle

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