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AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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The STUDIA UNIVERSITATIS BABEÅž-BOLYAI issue article summary The summary of the selected article appears at the bottom of the page. In order to get back to the contents of the issue this article belongs to you have to access the link from the title. In order to see all the articles of the archive which have as author/co-author one of the authors mentioned below, you have to access the link from the author's name. |
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STUDIA CHEMIA - Issue no. 1 / 2003 | |||||||
Article: |
KINETICS AND MECHANISM OF O-XYLENE OXIDATION BY CE(IV) IN AQUEOUS ACIDIC MEDIUM. Authors: GABRIELA-CRISTINA BUCÅžA, CLAUDIA GEMMA MUREŞANU, IOAN BÂLDEA. |
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Abstract: The oxidation of o–xylene in aqueous acidic media, using perchloric acid, has been followed spectrophotometrically. A first-order dependence on Ce(IV) concentration and a complex dependence on o-xylene and hydrogen ion concentrations have been established. The effect of ionic strength on the reaction rate has been studied and activation parameters were calculated. The global reaction rate is consistent with a mechanism involving the rapid formation of a complex, suffering an intramolecular electron transfer. | |||||||
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