Voltammetry of aqueous chloroauric acid with hanging mercury drop electrode

Andrey V. Korshunov, Bogdan Yosypchuk, Michael Heyrovský

Результат исследований: Материалы для журналаСтатья

8 Цитирования (Scopus)

Аннотация

In d.c. voltammetry of dilute aqueous chloroauric acid with hanging mercury drop electrode, when potential scanning proceeds from negative to positive values, a prominent maximum of cathodic current appears on the curve near 0 V. The effect is explained as due to catalytic evolution of hydrogen on the electrode initially covered by adsorbed Au-hydroxidic layer. Once the layer dissolves in the acidic solution during the positive scan, a fast evolution of hydrogen takes place, catalysed by short-lived adsorbed gold particles.

Язык оригиналаАнглийский
Страницы (с-по)929-936
Число страниц8
ЖурналCollection of Czechoslovak Chemical Communications
Том76
Номер выпуска7
DOI
СостояниеОпубликовано - 2011

ASJC Scopus subject areas

  • Chemistry(all)

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