UO22+ excited state quenched by Ru(C5H5)2

UO₂²⁺ quenched by Ru(C₅H₅)₂ at conc. <= 3 x 10^–5 mol L^–1
Solvent : Acetone

k_q = 2.1 x 10⁹(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, , luminescence
Lifetime in the absence of quencher, air free = 1.2 micro sec.
Comments: S as NO₃^– salt