Anodic Oxidation of Alkaline Sulfide Solution at a Low Potential
The oxidation of sulfide was investigated at a potential of about -0.1 V, 60 °C and electrolyzation time of 48 h, the sulfide ions were oxidized to sulfur and polysulfide, and the predominant polysulphide was S22-. The behavior of the anodic oxidation was highly dependant on the applied temperature and the concentration of the sulfide ions.
Hexing Li, Qunjie Xu and Daquan Zhang
N. Zhang et al., "Anodic Oxidation of Alkaline Sulfide Solution at a Low Potential", Advanced Materials Research, Vols. 356-360, pp. 1367-1370, 2012