Stabilities of complexes of scandium(III) and yttrium(III) with catechol derivatives

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dc.contributor.buuauthorTürkel, Naciye
dc.contributor.buuauthorAydın, Rahmiye
dc.contributor.buuauthorÖzer, Ulviye
dc.contributor.departmentUludağ Üniversitesi/Fen-Edebiyat Fakültesi/Kimya Bölümü.tr_TR
dc.date.accessioned2021-07-07T12:35:58Z
dc.date.available2021-07-07T12:35:58Z
dc.date.issued1999
dc.description.abstractThe interactions of scandium(III) and yttrium(III) ions with catechol derivatives; catechol(H2L, CAT), 4-nitrocatechol(H2L; 4NCAT) and 2,3-dihydroxynaphthalene- 6-sulphonic acid(H2L, DHN) were investigated in different metal ion:ligand mole ratios, by potentiometry and spectrophotometry. The stoichiometries of formed complexes have been defined by Job's method and formation curves have been drawn for some complexes, whenever possible: The stability contants of the fourteen formed complexes in definite stoichiometries have been determined, in an ionic medium of 0.1M KNO3 or NaClO4 at a temperature of 25 degrees C. Noticeably, complexes of scandium(III) ion formed at much lower pH values than complexes of yttrium(III) ion, and its catechol complexes were more stable than complexes formed with yttrium(III) ion. The dependence on ionic strength of stability constants of Sc(III) and Y(III) were defined by comparing them with values from the literature whenever possible. The stabilities of complexes of Sc(III) or Y(III) with catechol derivatives in (1:1), (1:2) and (1:3) mole ratios were compared by considering their possible structures.en_US
dc.identifier.citationTürkel, N. vd. (1999). "Stabilities of complexes of scandium(III) and yttrium(III) with catechol derivatives". Turkish Journal of Chemistry, 23(2), 139-152.en_US
dc.identifier.endpage152tr_TR
dc.identifier.issn1010-7614
dc.identifier.issue2tr_TR
dc.identifier.scopus2-s2.0-0039982342tr_TR
dc.identifier.startpage139tr_TR
dc.identifier.urihttps://dergipark.org.tr/tr/download/article-file/124511
dc.identifier.urihttp://hdl.handle.net/11452/21166
dc.identifier.volume23tr_TR
dc.identifier.wos000080833000005tr_TR
dc.indexed.scopusScopusen_US
dc.indexed.trdizinTrDizintr_TR
dc.indexed.wosSCIEen_US
dc.language.isoenen_US
dc.publisherScientific Technical Research Council Turkeyen_US
dc.relation.journalTurkish Journal of Chemistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergitr_TR
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectChemistryen_US
dc.subjectEngineeringen_US
dc.subject.wosChemistry, multidisciplinaryen_US
dc.subject.wosEngineering, chemicalen_US
dc.titleStabilities of complexes of scandium(III) and yttrium(III) with catechol derivativesen_US
dc.typeArticle

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