Extraktions-spektrophotometrische Bestimmung von Zinn in Fein- und Hüttenblei |
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| Authors: | Ing Andreas Hofer Bruno Landl |
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| Institution: | 1. Hauptlab. der ?sterreichischen Stickstoffwerke A.G., Postfach 296, A-4021, Linz a. d. Donau, ?sterreich
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| Abstract: | A method suitable for the determination of 0.001–0.2% of tin in lead is described. Quadrivalent tin is extracted from the sample solution (6–8 N in hydrochloric acid) by a solution of Amberlite LA-2 in xylene and back-extracted into the aqueous phase by dilute nitric acid. After evaporation of the acidic extract and destruction of the organic matter tin is determined in the residue by Lukes method with 9-phenylfluorone as reagent. |
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