The reaction of no with superoxide.
The rate constant for the reaction of NO with .O2- was determined to be (6.7 +/- 0.9) x 10(9) l mol-1 s-1, considerably higher than previously reported. Rate measurements were made from pH 5.6 to 12.5 both by monitoring the loss of .O2- and the formation of the product -OONO. The decay rate of -OONO, in the presence of 0.1 mol l-1 formate, ranges from 1.2 s-1 at pH 5 to about 0.2 s-1 in strong base, the latter value probably reflecting catalysis by formate.
Chemical Kinetics and Thermodynamics Division, National Institute of Standards and Technology, Gaithersburg, MD 20899.
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D006863:Hydrogen-Ion Concentration; D007700:Kinetics; D007834:Lasers; D009566:Nitrates / Q000737:chemistry; D009569:Nitric Oxide / Q000737:chemistry*; D010782:Photolysis; D012996:Solutions; D013053:Spectrophotometry; D013481:Superoxides / Q000737:chemistry*
D009566:Nitrates; D012996:Solutions; D013481:Superoxides; C039642:peroxynitric acid; D009569:Nitric Oxide