'Quenching of Excited States of Metal Complexes

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

excited state quenched by Co(EDTA)^2–

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 Co(EDTA)^2– at conc. (2-8) x 10^–4 mol L^–1
Solvent : H₂O

k_q = 1.5 x 10⁹(L mol^–1 s^–1)

Experimental methods: laser flash, absorption, single shot signal