Atomic absorption determination of indium after extraction with di-(2-ethylhexyl)phosphoric acid
Identifieur interne : 000604 ( Main/Exploration ); précédent : 000603; suivant : 000605Atomic absorption determination of indium after extraction with di-(2-ethylhexyl)phosphoric acid
Auteurs : RBID : ISTEX:604_1987_Article_BF01196614.pdfEnglish descriptors
Abstract
The equilibrium data show that indium can be quickly extracted from acidic aqueous solutions by di-(2-ethylhexyl)phosphoric acid in methyl isobutyl ketone. In this polar solvent the species ML3·HL is extracted. The overall extraction constant is higher than that for other tervalent metals. The extraction process can be combined with AAS determination of the indium. The method is fast because stripping is not necessary, and the organic phase can be analysed directly by AAS. Use of a 5∶1 v/v aqueous: organic phase ratio increases the sensitivity. In the pH-range used the method has good selectivity.
DOI: 10.1007/BF01196614
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<record><TEI><teiHeader><fileDesc><titleStmt><title>Atomic absorption determination of indium after extraction with di-(2-ethylhexyl)phosphoric acid</title><author><name>J. Coello</name><affiliation wicri:level="1"><mods:affiliation>Department of Analytical Chemistry, Faculty of Sciences, Universitat Autónoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain</mods:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Department of Analytical Chemistry, Faculty of Sciences, Universitat Autónoma de Barcelona, E-08193, Bellaterra (Barcelona)</wicri:regionArea><wicri:noRegion>Bellaterra (Barcelona)</wicri:noRegion></affiliation></author><author><name>J. Gené</name><affiliation wicri:level="1"><mods:affiliation>Department of Analytical Chemistry, Faculty of Sciences, Universitat Autónoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain</mods:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Department of Analytical Chemistry, Faculty of Sciences, Universitat Autónoma de Barcelona, E-08193, Bellaterra (Barcelona)</wicri:regionArea><wicri:noRegion>Bellaterra (Barcelona)</wicri:noRegion></affiliation></author><author><name>H. Iturriaga</name><affiliation wicri:level="1"><mods:affiliation>Department of Analytical Chemistry, Faculty of Sciences, Universitat Autónoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain</mods:affiliation><country xml:lang="fr">Espagne</country><wicri:regionArea>Department of Analytical Chemistry, Faculty of Sciences, Universitat Autónoma de Barcelona, E-08193, Bellaterra (Barcelona)</wicri:regionArea><wicri:noRegion>Bellaterra (Barcelona)</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="RBID">ISTEX:604_1987_Article_BF01196614.pdf</idno><date when="1987">1987</date><idno type="doi">10.1007/BF01196614</idno><idno type="wicri:Area/Main/Corpus">000D41</idno><idno type="wicri:Area/Main/Curation">000D41</idno><idno type="wicri:Area/Main/Exploration">000604</idno></publicationStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Indium atomic absorption determination</term><term>Indium di-(2-ethylhexyl)phosphoric acid equilibrium</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="eng">The equilibrium data show that indium can be quickly extracted from acidic aqueous solutions by di-(2-ethylhexyl)phosphoric acid in methyl isobutyl ketone. In this polar solvent the species ML3·HL is extracted. The overall extraction constant is higher than that for other tervalent metals. The extraction process can be combined with AAS determination of the indium. The method is fast because stripping is not necessary, and the organic phase can be analysed directly by AAS. Use of a 5∶1 v/v aqueous: organic phase ratio increases the sensitivity. In the pH-range used the method has good selectivity.</div></front></TEI><mods xsi:schemaLocation="http://www.loc.gov/mods/v3 file:///applis/istex/home/loadistex/home/etc/xsd/mods.xsd" version="3.4" istexId="e7e2a4f1e23b14f626ccfa90530604e039a5f0d9"><titleInfo lang="eng"><title>Atomic absorption determination of indium after extraction with di-(2-ethylhexyl)phosphoric acid</title></titleInfo><name type="personal"><namePart type="given">J.</namePart><namePart type="family">Coello</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Department of Analytical Chemistry, Faculty of Sciences, Universitat Autónoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain</affiliation></name><name type="personal"><namePart type="given">J.</namePart><namePart type="family">Gené</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Department of Analytical Chemistry, Faculty of Sciences, Universitat Autónoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain</affiliation></name><name type="personal"><namePart type="given">H.</namePart><namePart type="family">Iturriaga</namePart><role><roleTerm type="text">author</roleTerm></role><affiliation>Department of Analytical Chemistry, Faculty of Sciences, Universitat Autónoma de Barcelona, E-08193, Bellaterra (Barcelona), Spain</affiliation></name><typeOfResource>text</typeOfResource><genre>Original Paper</genre><originInfo><publisher>Springer-Verlag, Vienna</publisher><dateCreated encoding="w3cdtf">1986-01-10</dateCreated><dateValid encoding="w3cdtf">2005-02-04</dateValid><copyrightDate encoding="w3cdtf">1987</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract lang="eng">The equilibrium data show that indium can be quickly extracted from acidic aqueous solutions by di-(2-ethylhexyl)phosphoric acid in methyl isobutyl ketone. In this polar solvent the species ML3·HL is extracted. The overall extraction constant is higher than that for other tervalent metals. The extraction process can be combined with AAS determination of the indium. The method is fast because stripping is not necessary, and the organic phase can be analysed directly by AAS. Use of a 5∶1 v/v aqueous: organic phase ratio increases the sensitivity. In the pH-range used the method has good selectivity.</abstract><subject lang="eng"><genre>Key words</genre><topic>indium di-(2-ethylhexyl)phosphoric acid equilibrium</topic><topic>indium atomic absorption determination</topic></subject><relatedItem type="series"><titleInfo type="abbreviated"><title>Mikrochim Acta</title></titleInfo><titleInfo><title>Microchimica Acta</title><subTitle>Micro and Trance Analysis</subTitle><partNumber>Year: 1987</partNumber><partNumber>Volume: 88</partNumber><partNumber>Number: 3-4</partNumber></titleInfo><genre>Archive Journal</genre><originInfo><dateIssued encoding="w3cdtf">1986-05-01</dateIssued><copyrightDate encoding="w3cdtf">1987</copyrightDate></originInfo><subject usage="primary"><topic>Chemistry</topic><topic>Analytical Chemistry</topic><topic>Inorganic Chemistry</topic><topic>Physical Chemistry</topic><topic>Characterization and Evaluation Materials</topic><topic>Monitoring/Environmental Analysis/Environmental Ecotoxicology</topic></subject><identifier type="issn">0026-3672</identifier><identifier type="issn">Electronic: 1436-5073</identifier><identifier type="matrixNumber">604</identifier><identifier type="local">IssueArticleCount: 14</identifier><recordInfo><recordOrigin>Springer-Verlag, 1987</recordOrigin></recordInfo></relatedItem><identifier type="doi">10.1007/BF01196614</identifier><identifier type="matrixNumber">Art8</identifier><identifier type="local">BF01196614</identifier><accessCondition type="use and reproduction">MetadataGrant: OpenAccess</accessCondition><accessCondition type="use and reproduction">AbstractGrant: OpenAccess</accessCondition><accessCondition type="restriction on access">BodyPDFGrant: Restricted</accessCondition><accessCondition type="restriction on access">BodyHTMLGrant: Restricted</accessCondition><accessCondition type="restriction on access">BibliographyGrant: Restricted</accessCondition><accessCondition type="restriction on access">ESMGrant: Restricted</accessCondition><part><extent unit="pages"><start>221</start><end>230</end></extent></part><recordInfo><recordOrigin>Springer-Verlag, 1987</recordOrigin><recordIdentifier>604_1987_Article_BF01196614.pdf</recordIdentifier></recordInfo></mods></record>Pour manipuler ce document sous Unix (Dilib)
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