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Trace analysis of toxic metals. I

Spurenanalyse toxischer Metalle. I.Bestimmung von Pb, Hg, Cd und Tl durch amperometrische Titration

Determination of lead, mercury, cadmium and thallium by amperometric titration

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Summary

A simple procedure for the amperometric determination of lead, mercury, cadmium and thallium in theμg range by titration with EDTA is described. Using 0.5 ml of the test solution and 10−5 M EDTA, the minimum quantity of these metal ions that can be determined is about 1 ppm. The accuracy is within ±5%.

Zusammenfassung

Ein einfaches Verfahren zur amperometrischen Bestimmung von Mikrogrammengen Pb, Hg, Cd und Tl durch Titration mit ÄDTA wurde beschrieben. Bei Verwendung von 0,5 ml Probelösung und 10−5 M ÄDTA-Lösung können die genannten Metallionen in der Größenordnung von 1 ppm bestimmt werden. Die Genauigkeit beträgt ±5%.

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Authors and Affiliations

  1. Department of Chemistry, University of Singapore, Singapore

    Stephen A. K. Hsieh & T. S. Ma

  2. Department of Chemistry, City University of New York, New York

    Stephen A. K. Hsieh & T. S. Ma

Authors
  1. Stephen A. K. Hsieh
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  2. T. S. Ma
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Hsieh, S.A.K., Ma, T.S. Trace analysis of toxic metals. I. Mikrochim Acta 74, 291–300 (1980). https://doi.org/10.1007/BF01196454

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  • DOI: https://doi.org/10.1007/BF01196454

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