Determination of the oxygen and hydrogen overvoltage in concentrated alkali hydroxide solutions
β Scribed by J. Balej
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 803 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0360-3199
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π SIMILAR VOLUMES
The cathodic reduction of oxygen in concentrated potassium hydroxide (15 wt-% H,O) at 225Β°C is greatly at%cted by the presence of dissolved nickel. This effect shows up both in concentration and activation polarizations. These observations, together with indication8 for the presence of nickel redox
Al&act-An examina tion has been made of the effect of concentration on the temperature dependence of fluidi H,PO,, and the a&h in aqueous solutions of the strong acids HCl, HBr, HNO\*, HClO,, I&SO, and 'metal hydroxides LiOH, NaOH and KOH. The results su t that, because Fes of ion association and co
The solubility of oxygen in aqueous KOH solutions has been measured by a Van Slyke apparatus and by an adsorption technique developed by Hildebrand. In the range of concentration of KOH between 0 and 12 N, at 25Β°C, the two methods yielded identical results; at 760 torr oxygen partial pressure, log S