Measurements were made for the rate constant of OH + CO + He at 293 K, and OD + CO + M (M = He,
Ar, N2, air, SF6) at 253−343 K. Results were also obtained for OH + CO in a shock tube at 1400−2600 K
using OH and CO absorption. A two-channel RRKM model of these and other representative results was
constructed, with five adjustable parameters. A systematic optimization method was then employed to produce
the best fit of the data and provide predictive k(T,P,D/H) expressions for other conditions.
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