Re-evaluation of the rate constant for the H atom reaction with tert-butanol in aqueous solution

The rate constant (k) of the H + tert-butanol reaction at pH similar to 1-2 was measured by the time profile of the absorbance build-up of the tert-butanol radical and by competitive reactions for H atoms between maleic acid and tert-butanol. The determined rate constant, k = (1.15 +/- 0.2) x 10(6) mol(-1) dm(3) s(-1), is nearly an order of magnitude higher than the previously published rate constants.