UO22+ excited state quenched by I–

UO₂²⁺ quenched by I^–
Solvent : H₂O, 25ºC, ionic strength 0 (extrap'd, HClO₄)

k_q = 5.6 x 10¹⁰(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: conventional flash, luminescence, , luminescence

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

k_q = 2.1 x 10⁹(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: conventional flash, luminescence, , luminescence
Lifetime in the absence of quencher, unknown oxygen content = 190 micro sec.

UO₂²⁺ quenched by I^–
Solvent : H₂O, 1 mol/L HClO₄, 25ºC

k_q = 6.9 x 10⁹(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: conventional flash, luminescence, , luminescence
Lifetime in the absence of quencher, unknown oxygen content = 6.8 micro sec.

UO₂²⁺ quenched by I^–
Solvent : H₂O, pH 2.3, ionic strength 0.007

k_q = 1.4 x 10¹⁰(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air saturated = 1.5 micro sec.
Comments: S as NO₃^– salt

UO₂²⁺ quenched by I^–
Solvent : H₂O, 1 mol/L H₃PO₄, ionic strength 0.09

k_q = 2.1 x 10⁹(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air saturated = 160 micro sec.
Comments: S as NO₃^– salt; k_q = 8 x 10⁸ L mol^–1 s^–1 with conventional flash/absorption/steady state irradiationT, conventional flash/luminescence/steady state irradiationT and tau₀^air = 0.17 mus from same lab in 767278

UO₂²⁺ quenched by I^–
Solvent : H₂O, 1 mol/L HNO₃, ionic strength 1

k_q = 7.3 x 10⁹(L mol^–1 s^–1)

Mechanism: reductive electron transfer
Experimental methods: laser flash, luminescence, single shot signal
Lifetime in the absence of quencher, air saturated = 2.8 micro sec.
Comments: S as NO₃^– salt