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Determination of nickel and cobalt by constant current potentiometry

Part II. Modifications and check of the method

  • Original Papers
  • Inorganic Analysis
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Summary

The performance of a constant current potentiometric method for the simultaneous determination of nickel and cobalt as their DMG complexes in a batch configuration was investigated. The reciprocal interference of Co and Ni and also the interference by other ions was checked. The method was tested with soil and biological samples and good agreement with reference values was achieved. The performance in an automatic system and in non-deoxygenated solutions is discussed.

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Authors and Affiliations

  1. Institute of Applied Physical Chemistry, Research Center Jülich, P. O. Box 1913, D-52425, Jülich, Germany

    Eduardo Pinilla Gil & Peter Ostapczuk

Authors
  1. Eduardo Pinilla Gil
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  2. Peter Ostapczuk
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Additional information

Part I see [1]

On leave from Departmento de Química Analítica y Electroquímica, Universidad de Extremadura, 06071 Badajoz, Spain

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Pinilla Gil, E., Ostapczuk, P. Determination of nickel and cobalt by constant current potentiometry. Fresenius J Anal Chem 346, 957–960 (1993). https://doi.org/10.1007/BF00322758

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  • DOI: https://doi.org/10.1007/BF00322758

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