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Voltammetric determination of nitrate, perchlorate and iodide at a hanging electrolyte drop electrode

✍ Scribed by V. Mareček; H. Jänchenová; Z. Samec; M. Březina

Publisher
Elsevier Science
Year
1986
Tongue
English
Weight
233 KB
Volume
185
Category
Article
ISSN
0003-2670

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✦ Synopsis

The use of a hanging electrolyte drop electrode is examined for the determination of nitrate, perchlorate and iodide. A three-electrode system was used with a polarographic analyzer. Crystal violet dicarbollylcobaltate(III) electrolyte in the nitrobenzene phase and magnesium sulphate in the aqueous phase with a Pb/PbSO, reference electrode made it possible to increase the viable potential range. For nitrate, the peak current/concentration relation was linear over the range O-5 x 10m5 M, and nitrate in potable water was easily determined.

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