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Turbidimetric ultramicro titration of potassium

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Summary

A method has been worked out for the determination of ultramicro quantities of potassium. The potassium is precipitated with sodium tetraphenylborate and the excess of the reagent is determined by turbidimetric titration with cetyltrimethylammomum bromide.

Zusammenfassung

Eine Methode zur Bestimmung von Ultramikromengen Kalium wurde ausgearbeitet. Dieses wird mit Natriumtetraphenylborat gefällt und der Uberschuß des Fällungsmittels durch turbidimetrische Titration mit Cetyltrimethylammoniumbromid bestimmt.

Résumé

Mise au point d'une méthode pour le dosage d'ultramicroquantités de potassium. Le potassium est précipité par le tétraphénylborate de sodium et l'excès de réactif est dosé par titrage turbidimétrique avec le bromure de cétyltriméthylammonium.

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Literature

  1. K. J. Karrman, Einar Bladh, andPer-Olof Gedda, Mikrochim. Acta [Wien]1959, 775.

  2. e. g.I. M. Kolthoff andE. B. Sandell, Textbook of Quantitative Inorganic Analysis, 3rd edition, p. 632.

  3. E. D. Schall, Analytical Chemistry29, 1044 (1957).

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Authors and Affiliations

  1. Department of Analytical Chemistry and Clinic for Rheumatic Diseases, University, Lund, Sweden

    K. J. Karrman, Einar Bladh & Per-Olof Gedda

Authors
  1. K. J. Karrman
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  2. Einar Bladh
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  3. Per-Olof Gedda
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Karrman, K.J., Bladh, E. & Gedda, PO. Turbidimetric ultramicro titration of potassium. Microchim Acta 47, 779–785 (1959). https://doi.org/10.1007/BF01230388

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  • DOI: https://doi.org/10.1007/BF01230388

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