Absolute hydroxyl radical quantum yields in the laser photolysis of aqueous solutions of nitrate, nitrite and hydrogen peroxide at 308 and 351 nm.
Abs. quantum yields for the formation of OH radicals in the laser photolysis of aq. solns. of NO3-, NO2-, and H2O2 at 308 and 351 nm and as a function of pH and temp. were detd. A scavenging technique involving the reaction between OH and SCN- ions and the time-resolved detection by visible absorption of the (SCN)2- radical ion was used to det. the abs. OH yields.
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