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dc.contributor.authorKolokassidou, K.en
dc.contributor.authorSzymczak, W.en
dc.contributor.authorWolf, M.en
dc.contributor.authorObermeier, C.en
dc.contributor.authorBuckau, G.en
dc.contributor.authorPashalidis, Ioannisen
dc.creatorKolokassidou, K.en
dc.creatorSzymczak, W.en
dc.creatorWolf, M.en
dc.creatorObermeier, C.en
dc.creatorBuckau, G.en
dc.creatorPashalidis, Ioannisen
dc.date.accessioned2019-11-21T06:20:01Z
dc.date.available2019-11-21T06:20:01Z
dc.date.issued2009
dc.identifier.urihttp://gnosis.library.ucy.ac.cy/handle/7/55695
dc.description.abstractDisposed olive cake generates hydrophilic components that can be mobilized in the aquatic environment. This paper deals with the characterization of such components, isolated by alkaline extraction. It is shown that these substances possess properties very much resembling humic acid, including a substantial inventory of proton exchanging groups. Extraction and purification of the hydrophilic components from the disposed olive cake was performed by the standard approach for isolation of humic acids from solid sources, i.e. alternating alkaline dissolution and acid flocculation, leaving the purified extract in the protonated form. The purified sample was characterized by Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES), Fourier Transform Infra Red Spectroscopy (FTIR), UV-vis, Time-of-Flight Secondary Ion Mass Spectrometry (TOF-SIMS) and Asymmetrical Flow Field-Flow Fractionation (AFFFF). The complex formation properties were investigated by potentiometry using Cu(II) ion selective electrode under atmospheric conditions at I = 0.1 M NaClO 4 (aqueous solution) and pH 6. The formation constant for the CuHA complex is found to be log β = 5.3 ± 0.4 which is close to the corresponding value (log β = 5.2 ± 0.4) obtained from similar investigations with the commercially available Aldrich humic acid (this study) and corresponding published values for various humic acids. Both, structural properties and complex formation data show that the olive cake extract has considerable similarities with humic acids from different sources, pointing towards potential similarities in environmental behavior and impact. © 2008 Elsevier B.V. All rights reserved.en
dc.sourceJournal of hazardous materialsen
dc.source.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-62649122782&doi=10.1016%2fj.jhazmat.2008.08.016&partnerID=40&md5=0e17585ba8604c165801d337dcbefa49
dc.subjectPhysico-chemical propertiesen
dc.subjectCharacterizationen
dc.subjectHydrophilicityen
dc.subjectComplex formationsen
dc.subjectcopperen
dc.subjectAqueous solutionsen
dc.subjectFourier transform infrared spectroscopyen
dc.subjectDissolutionen
dc.subjectPurificationen
dc.subjectplasmaen
dc.subjectEmission spectroscopyen
dc.subjectBiological materialsen
dc.subjectElectrochemical Techniquesen
dc.subjectSpectrometryen
dc.subjectWater Pollutantsen
dc.subjectPlant Extractsen
dc.subjectOleaen
dc.subjectInductively coupled plasmaen
dc.subjectHumic aciden
dc.subjectOrganic acidsen
dc.subjectMetal refiningen
dc.subjectFourier transformsen
dc.subjectHigh performance liquid chromatographyen
dc.subjectAtmospheric conditionsen
dc.subjectFormation constantsen
dc.subjectphysicochemical propertyen
dc.subjectPotentiometryen
dc.subjectAlkaline dissolutionsen
dc.subjectAlkaline extractionsen
dc.subjectAquatic environmentsen
dc.subjectAsymmetrical flow field-flow fractionationsen
dc.subjectcomplexationen
dc.subjectCopper complexationen
dc.subjectEnvironmental behaviorsen
dc.subjectEnzyme immobilizationen
dc.subjectextraction methoden
dc.subjectFlocculationen
dc.subjectFourier transform infra-red spectroscopiesen
dc.subjectFractionationen
dc.subjectHumic Substancesen
dc.subjectHydrophilic componentsen
dc.subjectHydrophilic extractsen
dc.subjectInductively coupled plasma-optical-emission spectrometriesen
dc.subjectIon selective electrodesen
dc.subjectOlive cakeen
dc.subjectOptical emission spectroscopyen
dc.subjectProtonateden
dc.subjectSecondary ion mass spectrometryen
dc.subjectSolid sourcesen
dc.subjectSpectrometersen
dc.subjectStatic Electricityen
dc.subjectTime-of-flight secondary ion mass spectrometriesen
dc.titleHydrophilic olive cake extracts: Characterization by physicochemical properties and Cu(II) complexationen
dc.typeinfo:eu-repo/semantics/article
dc.identifier.doi10.1016/j.jhazmat.2008.08.016
dc.description.volume164
dc.description.issue2-3
dc.description.startingpage442
dc.description.endingpage447
dc.author.faculty002 Σχολή Θετικών και Εφαρμοσμένων Επιστημών / Faculty of Pure and Applied Sciences
dc.author.departmentΤμήμα Χημείας / Department of Chemistry
dc.type.uhtypeArticleen
dc.description.notes<p>Cited By :11</p>en
dc.source.abbreviationJ.Hazard.Mater.en
dc.contributor.orcidPashalidis, Ioannis [0000-0002-7587-6395]
dc.gnosis.orcid0000-0002-7587-6395


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