Separation and Pre-concentration of Cadmium, Copper, Lead, Nickel and Zinc by Solid-Liquid Extraction of their Cocrystallized Naphthalene Dithizone Chelate in Saline Matrices

Separation and Pre-concentration of Cadmium, Copper, Lead, Nickel and Zinc by Solid-Liquid Extraction of their Cocrystallized Naphthalene Dithizone Chelate in Saline Matrices

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A procedure for separation and pre-concentration of trace amounts of cadmium, copper, lead, nickel, and zinc in brine samples has been proposed. It is based on the adsorption of metal ions onto dithizone co-crystallized with microcrystalline naphthalene, in the pH range 8.5-9.1. Nitric acid is used...

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Bibliographic Details
Main Authors:	Costa Antônio C. Spínola, Lopes Leila, Korn Maria das Graças A., Portela Jicarla G.
Format:	Article
Language:	English
Published:	Sociedade Brasileira de Química 2002-01-01
Series:	Journal of the Brazilian Chemical Society
Subjects:	preconcentration solid-liquid extraction naphthalene dithizone highly saline matrices
Online Access:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-50532002000500022

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