Anodic Stripping Tin Titration: A Method for the Voltammetric Determination of Platinum at Trace Levels (Articolo in rivista)

Type
Label
  • Anodic Stripping Tin Titration: A Method for the Voltammetric Determination of Platinum at Trace Levels (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ac501349y (literal)
Alternative label
  • Giussani, Barbara; Roncoroni, Simone; Nemenyi, Anna; Dal Santo, Vladimiro; Monticelli, Damiano; Recchia, Sandro (2014)
    Anodic Stripping Tin Titration: A Method for the Voltammetric Determination of Platinum at Trace Levels
    in Analytical chemistry (Wash.); American Chemical Society, Washington (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Giussani, Barbara; Roncoroni, Simone; Nemenyi, Anna; Dal Santo, Vladimiro; Monticelli, Damiano; Recchia, Sandro (literal)
Pagina inizio
  • 6654 (literal)
Pagina fine
  • 6659 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 86 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 13 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Dipartimento di Scienza e Alta Tecnologia, Universita? degli studi dell'Insubria, Via Valleggio, 11-22100 Como, Italy. CNR-Istituto di Scienze e Tecnologie Molecolari, Via Golgi, 19-20133 Milano, Italy. (literal)
Titolo
  • Anodic Stripping Tin Titration: A Method for the Voltammetric Determination of Platinum at Trace Levels (literal)
Abstract
  • We propose here a novel voltammetric method for the determination of platinum at trace levels. The method is based on the interference that platinum generates on the anodic stripping signal of tin acidic solutions: in appropriate conditions platinum uses the intermediate formation of tin(II) ions, taking place during the tin cathodic reduction, to reduce itself and to form mixed Pt(II) - Sn(II) chloro-complexes. From the analysis of the anodic stripping plots obtained after subsequent additions of tin in a Pt-containing solution, it is possible to quantify accurately and precisely the Pt concentration from 3 ppb to more than 10 ppm. This novel method is validated for the analysis of Pt in heterogeneous catalysts, but in principle could be extended to other matrixes. (literal)
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