UO22+ excited state quenched by UO22+

UO₂²⁺ quenched by UO₂²⁺
Solvent : H₂O, 1 mol/L H₃PO₄, 25ºC

k_q = 3.4 x 10⁴(L mol^–1 s^–1)

Experimental methods: conventional flash, luminescence, single shot signal

UO₂²⁺ quenched by UO₂²⁺ at conc. <= 2.0 mol L^–1
Solvent : H₂O, 0.23 mol/L HClO₄

k_q = 4.0 x 10⁵(L mol^–1 s^–1)

Experimental methods: laser flash, absorption, single shot signal
Lifetime in the absence of quencher, air saturated = 6.6 micro sec.
Comments: tau₀ extrap'd to [S] = 0; S as NO₃^– salt