Ru(5-Brphen)32+

excited state quenched by HgCl3–
Hauenstein, B.L.,Jr.; Mandal, K.; Demas, J.N.; DeGraff, B.A.
Inorg. Chem. 23: 1101-7 (1984)

Ru(5-Brphen)32+ quenched by HgCl3–
Solvent : H2O, 0.01 mol/L HNO3, [NaNO3] + [NaCl] = 0.99 mol/L

kq = 1.8 x 109(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, luminescence, multiple shot with signal averaging
Lifetime in the absence of quencher, air free = 1.3 micro sec.
Comments: kq from Cl– titration at fixed [HgII]tot

Dressick, W.J.; Hauenstein, B.L.,Jr.; Demas, J.N.; DeGraff, B.A.
Inorg. Chem. 23: 1107-13 (1984)

Ru(5-Brphen)32+ quenched by HgCl3–
Solvent : H2O, 0.01 mol/L HNO3, 0.1 mol/L NaNO3, 0.01 mol/L SLS

kq = ~5 x 105(L mol–1 s–1)

Mechanism: oxidative electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air free = 2.2 micro sec.
Comments: kq from Cl– titration at fixed [HgII]tot

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