Analytical Applications of Reactions of Iron(III) and Hexacyanoferrate(III) with 2,10-Disubstituted Phenothiazines

Figure 2

Cyclic voltammogramm of promazine (PM) at Pt electrode C_PM=5⋅10⁻⁵M, in a mixture of 5⋅10⁻¹MK₂SO₄ and 5⋅10⁻¹MKHSO₄ (pH=1.3), scan rate 50 mV/s; in potential window 0.0–1.05 V.