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Usefulness of a detector inlet overpressure and stream splitting in FIA systems to deal with food sample pre-treatment requirements. Application to wine analysis

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dc.contributor.authorLima, José L. F. C.
dc.contributor.authorRangel, António O. S. S.
dc.date.accessioned2011-10-21T12:14:25Z
dc.date.available2011-10-21T12:14:25Z
dc.date.issued1991
dc.description.abstractThe use of stream splitting to obtain high sampling rate flow injection analysis (FIA) large dispersion manifolds to deal with pre-treatment requirements in the analysis of food components with a high concentration is described. This procedure is illustrated in the FIA determination of calcium using an atomic absorption detector and in the colorimetric determination of phosphate in wines. These manifolds proved to be an advantageous alternative to those including mixing chambers and diluters, as they are simpler and provide higher sampling rates (60–240 samples h−1 are achieved). Also described here is the use of an overpressure at the entrance to the atomic absorption nebulizer to minimize matrix physical interferences, by presenting the results obtained for the FIA—atomic absorption copper determination in wines. The results obtained for several wine samples by the developed FIA methodologies were in good agreement with those provided by the reference methods.por
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citationLIMA, José L. F. C. ; RANGEL, António O. S. S. - Usefulness of a detector inlet overpressure and stream splitting in FIA systems to deal with food sample pre-treatment requirements. Application to wine analysis. Food Control. ISSN 0956-7135. Vol. 2, n.º 3 (1991), p. 146-151por
dc.identifier.doi10.1016/0956-7135(91)90083-9
dc.identifier.eid0342933700
dc.identifier.urihttp://hdl.handle.net/10400.14/6656
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherElsevierpor
dc.subjectFlow injection analysispor
dc.subjectFlow splittingpor
dc.subjectAAS inlet overpressurepor
dc.subjectCopperpor
dc.subjectCalciumpor
dc.subjectPhosphatepor
dc.subjectWinespor
dc.titleUsefulness of a detector inlet overpressure and stream splitting in FIA systems to deal with food sample pre-treatment requirements. Application to wine analysispor
dc.typejournal article
dspace.entity.typePublication
person.familyNameLima
person.familyNameSantos Silva Rangel
person.givenNameJosé
person.givenNameAntónio Osmaro
person.identifierR-000-8FJ
person.identifier.ciencia-id4811-9AA9-D673
person.identifier.ciencia-idD61D-7CFB-178A
person.identifier.orcid0000-0002-8906-9826
person.identifier.orcid0000-0002-6486-8947
person.identifier.scopus-author-id10141079100
person.identifier.scopus-author-id7004827387
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication71f20aa3-d4ae-40c3-a9ef-27d88442d1e0
relation.isAuthorOfPublication467be022-fd9c-4549-aa48-48ebcc1098eb
relation.isAuthorOfPublication.latestForDiscovery71f20aa3-d4ae-40c3-a9ef-27d88442d1e0

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