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The Use of Dithizone-Polyurethane Foam Sorbent in a Solid—Liquid Preconcentration Step of the Determination of Lead in Drinking and Surface Waters and in Soils

P. Rychlovský, J. Bílý, and P. Denková

Department of Analytical Chemistry, Faculty of Natural Sciences, Charles University, CS-128 43 Prague

 

Abstract: The preconcentration of metal on a polyurethane foam modified by dithizone was used for the determination of the trace amounts of Pb in waters and soils. The optimum conditions for the sorption and the desorption were found. The detection limit was found out for the determination of Pb at 1.4 μg dm-3.

Full paper in Portable Document Format: 474a233.pdf

 

Chemical Papers 47 (4) 233–236 (1993)

Friday, November 27, 2020

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