Figure 6.
Photochemical H2 production from an aqueous acetate buffer solution (0.03 M CH3CO2H, 0.07 M CH3CO2Na, pH 5.0, 10 mL) containing 30 mM EDTA in the presence of (a) 0.1 mM [2]Cl·6H2O, (b) 0.1 mM [2]Cl·6H2Oand 2 mM MV(NO3)2, (c) 0.1 mM [3](PF6)2·2H2O, and (d) 0.1 mM [3](PF6)2·2H2Oand 2 mM MV(NO3)2.