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Electrochemically synthesis of the pirazine-2,3-dicarboxylic acid. Cyclic voltammetry studies on cooper electrode [articol]

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dc.contributor.author Ţăranu, Ioan
dc.contributor.author Popa, I.
dc.contributor.author Dragoș, A.
dc.contributor.author Vlătănescu, N.V.
dc.contributor.author Buzatu, D.
dc.date.accessioned 2020-04-14T15:01:44Z
dc.date.accessioned 2021-03-01T08:52:54Z
dc.date.available 2020-04-14T15:01:44Z
dc.date.available 2021-03-01T08:52:54Z
dc.date.issued 2008
dc.identifier.citation Ţăranu, Ioan. Electrochemically synthesis of the pirazine-2,3-dicarboxylic acid. Cyclic voltammetry studies on cooper electrode. Timişoara: Editura Politehnica, 2008 en_US
dc.identifier.uri http://primo.upt.ro:1701/primo-explore/search?query=any,contains,Electrochemically%20synthesis%20of%20the%20pirazine-2,3-dicarboxylic%20acid.%20Cyclic%20voltammetry%20studies%20on%20cooper%20electrode&tab=default_tab&search_scope=40TUT&vid=40TUT_V1&lang=ro_RO&offset=0 Link Primo
dc.description.abstract The previous studies shows that the KMnO₄ regeneration used in chemical oxidation of chinoxaline to form the pyrazine-2,3-dicarboxylic acid is possible on platinum in chinoxaline absence[1] or his presence[2] and on nickel electrode[3]. The purpose of this paper is investigation of the KMnO₄ regeneration process on copper electrode. The studies was made by cyclic voltammetry at a concentrations of support electrolyte (KOH ) of about 5 to 10%, at 25-40°C temperature, KMnO₄ concentration until 6•10⁻² M and maximum concentration of quinoxaline until 2.61•10⁻² M in electrolite solution. On copper electrode it’s possible the process of oxidation of Mn⁶⁺ to Mn⁷⁺. Anodic regeneration of Mn⁷⁺ is favoured by rise of : KOH concentration, temperature, Mn⁷⁺ and Mn⁶⁺ concentration, quinoxaline. en_US
dc.language.iso en en_US
dc.publisher Timişoara : Editura Politehnica en_US
dc.relation.ispartofseries Seria chimie şi ingineria mediului;Tom 53(67), fasc. 1-2 (2008)
dc.subject Electrochimie en_US
dc.subject Electrochemistry en_US
dc.subject Cyclic voltammetry en_US
dc.subject Quinoxaline en_US
dc.subject Pirazine-2,3-dicarboxilic acid en_US
dc.subject Cooper electrode en_US
dc.subject Articol
dc.title Electrochemically synthesis of the pirazine-2,3-dicarboxylic acid. Cyclic voltammetry studies on cooper electrode [articol] en_US
dc.type Article en_US


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