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| Ultima descărcare din IBN: 2023-04-21 21:29 |
 SM ISO690:2012KIRIYAK, Ludmila, CAZAC, Tatiana, POVAR, Igor, REVENKO, M.. The influence of 2,3-dihydroxybenzaldehyde thiosemicarbazone on catalytic currents
in the system molybdenum(VI) – potassium chlorate in acid sulfate solutions. In: Chemistry Journal of Moldova, 2011, nr. 1(6), pp. 52-56. ISSN 1857-1727. |
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| Chemistry Journal of Moldova | ||||||
| Numărul 1(6) / 2011 / ISSN 1857-1727 /ISSNe 2345-1688 | ||||||
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| Pag. 52-56 | ||||||
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The polarographic catalytic current in acid solutions of Mo(VI), 2,3-dihydroxybenzaldehyde
thiosemicarbazone (TSC 2,3-DHBA) and chlorate ions has been investigated. The scheme of reactions, taking place
in the solutions and on the electrode, has been proposed. The increase of the catalytic current is explained by the
formation of an active intermediate complex [Mo(V)⋅TSC 2,3-DHBA (ClO-3)]. The rate constant of this complex
formation K = 2.56 ⋅ 106 mol-1⋅dm3⋅s-1, the activation energy Ea = 15.9 kcal⋅mol-1 and the reaction activation entropy
∆Sa≠ = -23.5 e.u. have been calculated.
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| Cuvinte-cheie voltammetry, catalytic current, thiosemicarbazone 2, 3-dihydroxybenzaldehyde, molybdenum |
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<meta name="citation_title" content="The influence of 2,3-dihydroxybenzaldehyde thiosemicarbazone on catalytic currents in the system molybdenum(VI) – potassium chlorate in acid sulfate solutions"> <meta name="citation_author" content="Kiriyak Ludmila"> <meta name="citation_author" content="Cazac Tatiana"> <meta name="citation_author" content="Povar Igor"> <meta name="citation_author" content="Revenko M."> <meta name="citation_publication_date" content="2011/01/03"> <meta name="citation_journal_title" content="Chemistry Journal of Moldova"> <meta name="citation_volume" content="6"> <meta name="citation_issue" content="1"> <meta name="citation_firstpage" content="52"> <meta name="citation_lastpage" content="56"> <meta name="citation_pdf_url" content="https://ibn.idsi.md/sites/default/files/imag_file/The%20influence%20of%202%2C3_dihydroxybenzaldehyde%20thiosemicarbazone%20on%20catalytic%20currents.pdf">
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