The solvent extraction of alkali metal picrates with 4,13-N,N?-dibenzyl-4,13-diaza-18-crown-6

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dc.contributor.authorHamamci, C
dc.contributor.authorHosgoren, H
dc.contributor.authorErdogan, S
dc.date.accessioned2024-04-24T16:18:43Z
dc.date.available2024-04-24T16:18:43Z
dc.date.issued1998
dc.departmentDicle Üniversitesien_US
dc.description.abstractExtraction of alkali metal picrates with N,N'-dibenzyl-18-crown-6 was carried out, with dichloromethane as water-immiscible solvent, as a function [ligand]/[metal cation]. The extractability of metal picrates (Li+, Na+, K+ Rb+, Cs+) was evaluated as a function of [L]/[M+]. The extractability of complex cation-picrate ion pairs decreases in this sequence: Li+ > Rb+ > Cs+ > K+ > Na+. The overall extraction equilibrium constants (K-ex) for complexes of N,N'-dibenzyl-18-crown-6 with alkali metal picrates between dichloromethane and water have been determined at 25 degrees C. The values of the extraction constants (log K-ex) were determined to be 10.05, 6.83, 7.12, 7.83, 6.73 for Li+ Na+, K+, Rb+ and Cs+ compounds, respectively. DB186 shows almost 2-fold extractability against Li+ compared to the other metal picrates, whereas it shows no obvious extractability difference amongst the other metal cations when [L]/[M+] is 0.2-1. However, an increasing extractability is observed for Cs+ when [L]/[M+] [1]. (C) 1998 Elsevier Science B.V. All rights reserved.en_US
dc.identifier.doi10.1016/S0039-9140(98)00082-4
dc.identifier.endpage236en_US
dc.identifier.issn0039-9140
dc.identifier.issue1en_US
dc.identifier.pmid18967322
dc.identifier.scopus2-s2.0-0345404213
dc.identifier.scopusqualityQ1
dc.identifier.startpage229en_US
dc.identifier.urihttps://doi.org/10.1016/S0039-9140(98)00082-4
dc.identifier.urihttps://hdl.handle.net/11468/16244
dc.identifier.volume47en_US
dc.identifier.wosWOS:000076621800028
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.language.isoenen_US
dc.publisherElsevier Science Bven_US
dc.relation.ispartofTalanta
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDiaza-Crown Etheren_US
dc.subjectSolvent Extractionen_US
dc.subjectAlkali Metal Picrateen_US
dc.titleThe solvent extraction of alkali metal picrates with 4,13-N,N?-dibenzyl-4,13-diaza-18-crown-6en_US
dc.titleThe solvent extraction of alkali metal picrates with 4,13-N,N?-dibenzyl-4,13-diaza-18-crown-6
dc.typeArticleen_US

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