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Sequential injection trace determination of iron in natural waters using a long-pathlength liquid core waveguide and different spectrophotometric chemistries

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dc.contributor.authorPáscoa, Ricardo N. M. J.
dc.contributor.authorTóth, Ildikó V.
dc.contributor.authorRangel, António O. S. S.
dc.date.accessioned2010-09-30T15:32:23Z
dc.date.available2010-09-30T15:32:23Z
dc.date.issued2009
dc.description.abstractWe developed a sequential injection analysis (SIA) method for the determination of iron in coastal, ground, and surface fresh waters using two different reagents (ferrozine and 1,10-phenathroline). The methodology uses a double-line SIA system to improve mixing conditions between sample and reagent solutions. A liquid waveguide capillary cell (LWCC) with 1.0 m pathlength, 550 μm i.d., and 250 μL internal volume was used to enhance the sensitivity of the determination. The detection limits for the ferrozine and 1,10-phenanthroline reagent were 0.15 and 0.35 μg L–1, respectively. The system provides a linear response up to 20 μg L–1 and has a high throughput rate (41 h–1), low reagent consumption, and also low effluent production for both reagents. The developed method was applied to natural waters (river, well, ground, potable, and sea waters) and one reference water sample.por
dc.description.versioninfo:eu-repo/semantics/publishedVersion
dc.identifier.citation"Limnololy Oceanography: Methods". ISSN 1541-5856. 7 (2009) 795-802por
dc.identifier.doi10.4319/lom.2009.7.795
dc.identifier.urihttp://hdl.handle.net/10400.14/2645
dc.language.isoengpor
dc.publisherAmerican Society of Limnology and Oceanographypor
dc.titleSequential injection trace determination of iron in natural waters using a long-pathlength liquid core waveguide and different spectrophotometric chemistriespor
dc.typejournal article
dspace.entity.typePublication
person.familyNamePáscoa
person.familyNameTóth
person.familyNameSantos Silva Rangel
person.givenNameRicardo
person.givenNameIldikó
person.givenNameAntónio Osmaro
person.identifier.ciencia-idBA14-0549-AA0A
person.identifier.ciencia-idD61D-7CFB-178A
person.identifier.orcid0000-0003-2073-7643
person.identifier.orcid0000-0002-7342-1063
person.identifier.orcid0000-0002-6486-8947
person.identifier.ridD-4791-2013
person.identifier.ridG-1733-2010
person.identifier.scopus-author-id11738933900
person.identifier.scopus-author-id35512332800
person.identifier.scopus-author-id7004827387
rcaap.rightsrestrictedAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication2140ed4c-4229-4ff5-9940-c7b476f09741
relation.isAuthorOfPublication7889563f-f3fc-4057-a97c-b51425b4dc46
relation.isAuthorOfPublication467be022-fd9c-4549-aa48-48ebcc1098eb
relation.isAuthorOfPublication.latestForDiscovery467be022-fd9c-4549-aa48-48ebcc1098eb

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