Evaluation of DMIT [4,5-Dimercapto-1,3-Dithyol-2-Thionate] as chelating agent in a cloud point extraction procedure for [Pb.sup.2+] determination in water samples/Avaliacao do DMIT [4,5-Dimercapto-1,3-Ditiol-2-Tionato] como agente complexante em um procedimento de extracao por ponto nuvem para determinacao de [Pb.sup.2+] em amostras de agua

The present study proposes a new method for cloud point preconcentration of [Pb.sup.2+] ions based on complex formed with [4,5-dimercapto-1,3-dithyol-2-thionate] and posterior determination by flame atomic absorption spectrometry (FAAS). The preconcentration of [Pb.sup.2+] was carried at pH 5.0 unde...

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Veröffentlicht in:	Acta scientiarum. Technology 2013-04, Vol.35 (2), p.379
Hauptverfasser:	Godoy, Naiara Vieira, Somera, Bruna Fabrin, Barreto, Wagner Jose, Barreto, Sonia Regina Giancoli, Tarley, Cesar Ricardo Teixeira
Format:	Artikel
Sprache:	spa
Online-Zugang:	Volltext
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