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

Figure 1

UV-VIS spectra of 1-colored product of reaction PM-Fe(III) (C_PM=3⋅10⁻⁴M, C_Fe(III)=3⋅10⁻⁴M; 2-nonoxidized form of PM (C_PM=4⋅10⁻⁴M).