Reactions of o,o′-Dihydroxy Azo Dyes with the Third Group M(III) Ions: A Spectroscopic and Electrochemical Study

Figure 9

Voltammograms of 4⋅10⁻⁵ M KLC and in the presence of 8⋅10⁻⁶ M, 1⋅10⁻⁵ M, 2⋅10⁻⁵ M, 4⋅10⁻⁵ M, and 8⋅10⁻⁵ M Ga(III); pH 4.5, 𝜐=0.5V⋅s⁻¹.