Quenching mechanism of the UO22+ excited state by phenols and related compounds in aqueous solutions.

MASSAD, WALTER A; BADINI, RAÚL G; ARGUELLO, GERARDO A

JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY

Año: 1999 vol. 240 p. 917 - 917

0236-5731

p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt; LINE-HEIGHT: normal; mso-layout-grid-align: none">Quenching rate constants, kg, of the uranyl excited state by phenolic  compounds were determined in H3PO4 1M by luminiscence techniques. A plot of log kq vs. DG, for the photo-induced electron transfer reaction  rendered a slope value of 4.0 ev-1 which was much smaller than that