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Potentiometric and spectrophotometric determination of the stability constants of luteolin (3 ',4 ',5,7-tetrahydroxyflavone) complexes with aluminium(III) and iron(III)

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dc.contributor.authorsKaradag, R
dc.date.accessioned2022-03-12T17:16:19Z
dc.date.accessioned2026-01-11T15:17:27Z
dc.date.available2022-03-12T17:16:19Z
dc.date.issued2003
dc.description.abstractIn this study, one determined stability constants of the complexes of luteolin with aluminium (III) and iron(III). Potentiometric methods of Calvin-Bjerrum and Irving-Rossotti, and spectrophotometric assay have been utilised. The evaluated protonation constants of the ligand were: logk(1) = 8.95, logk(2) = 8.10, and logk(3) = 6.85 at the 25degreesC. For the aluminium and iron complexes the subsequent logarithms of formation constants were found: for Al 17.50, 15.00, 4.75 and for iron: 19.60, 19.40, 17.82.
dc.identifier.doidoiWOS:000188166000007
dc.identifier.issn0009-2223
dc.identifier.urihttps://hdl.handle.net/11424/227524
dc.identifier.wosWOS:000188166000007
dc.language.isoeng
dc.publisherPOLSKIE TOWARZYSTWO CHEMICZNE-POLISH CHEMICAL SOC
dc.relation.ispartofCHEMIA ANALITYCZNA
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectluteolin
dc.subjectaluminium
dc.subjectiron
dc.subjectformation constant
dc.subjectprotonation constants
dc.titlePotentiometric and spectrophotometric determination of the stability constants of luteolin (3 ',4 ',5,7-tetrahydroxyflavone) complexes with aluminium(III) and iron(III)
dc.typearticle
dspace.entity.typePublication
oaire.citation.endPage937
oaire.citation.issue6
oaire.citation.startPage931
oaire.citation.titleCHEMIA ANALITYCZNA
oaire.citation.volume48

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