Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+

excited state quenched by Fe3+
Le Roux, D.; Takakubo, M.; Mialocq, J.C.
J. Chim. Phys. Phys.-Chim. Biol. 82(7-8): 739-46 (1985)

Zn[5,10,15,20-tetrakis(1-methylpyridinium-3-yl)porphyrin]4+ quenched by Fe3+ at conc. 0.001 mol L–1
Solvent : H2O, 0.02 mol/L HCl; 0.02 mol/L KCl, pH 1.8

kq = 6.3 x 107(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, absorption, single shot signal
Electron transfer fraction of quenching = 1

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