The kinetics of the oxidn. of nitrite to nitrate by peroxynitrous acid at pH 5.2 is best described by the rate law kobs = kiso + k'[NO2-] + k''[NO2-]2, in which the peroxynitrous acid isomerization rate const. kiso = (1.10 +- 0.05) s-1, k' = (3.2 +- 0.1) M ...
2003