Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.14/18867
Título: Iodine speciation in coastal and inland bathing waters and seaweeds extracts using a sequential injection standard addition flow-batch method
Autor: Santos, Inês C.
Mesquita, Raquel
Bordalo, Adriana A.
Rangel, António O. S. S.
Palavras-chave: Iodate
Sequential injection
Standard addition methods
Iodide selective electrode
Spectrophotometry
Data: 2015
Editora: Elsevier
Citação: SANTOS, Inês C.; MESQUITA, Raquel; BORDALO, Adriana A.; RANGEL, António O. S. S. - Iodine speciation in coastal and inland bathing waters and seaweeds extracts using a sequential injection standard addition flow-batch method. Talanta. ISSN 0039-9140. N.º 133 (2015), p. 7–14
Resumo: The presentworkdescribesthedevelopmentofasequentialinjectionstandardadditionmethodfor iodine speciationinbathingwatersandseaweedsextractswithoutpriorsampletreatment.Iodine speciation wasobtainedbyassessingtheiodideandiodatecontent,thetwoinorganicformsofiodinein waters.Forthedeterminationofiodide,aniodideionselectiveelectrode(ISE)wasused.Theindirect determination ofiodatewasbasedonthespectrophotometricdeterminationofnitrite(Griessreaction). For theiodatemeasurement,amixingchamberwasemployed(flow batchapproach)toexplorethe inherent efficient mixing,essentialfortheindirectdeterminationofiodate.Theapplicationofthe standard additionmethodenableddetectionlimitsof0.14 mM foriodideand0.02 mM foriodate,together with thedirectintroductionofthetargetwatersamples,coastalandinlandbathingwaters.Theresults obtained wereinagreementwiththoseobtainedbyICP-MSandacolorimetricreferenceprocedure. Recoverytestsalsoconfirmed theaccuracyofthedevelopedmethodwhichwaseffectivelyappliedto bathing watersandseaweedextracts.
Peer review: yes
URI: http://hdl.handle.net/10400.14/18867
DOI: http://dx.doi.org/10.1016/j.talanta.2014.01.025
Aparece nas colecções:CBQF - Artigos em revistas internacionais com Arbitragem / Papers in international journals with Peer-review

Ficheiros deste registo:
Ficheiro Descrição TamanhoFormato 
Iodine speciationincoastalandinlandbathing.pdf596,11 kBAdobe PDFVer/Abrir    Acesso Restrito. Solicitar cópia ao autor!


FacebookTwitterDeliciousLinkedInDiggGoogle BookmarksMySpace
Formato BibTex MendeleyEndnote Degois 

Todos os registos no repositório estão protegidos por leis de copyright, com todos os direitos reservados.