The relative OH reaction rates from the simulated atmospheric oxidation of 4‐methyl‐2‐pentanone, trans‐4‐octene, and trans‐2‐heptene have been measured. Reactions were carried out at 297 ± 2 K in 100‐liter FEP Teflon®‐film bags. The OH radicals were produced from the photolysis of methyl nitrite. The measured rate constants (×1011 cm3 molecule−1 s−1) were as follows: 6.77 ± 0.50 for trans‐4‐octene, 1.40 ± 0.07 for 4‐methyl‐2‐pentanone, and 6.70 ± 0.23 for trans‐2‐heptene using an absolute rate constant of 2.63 × 1011 cm3 molecule−1 s−1 for the reaction of OH with propene; the principal reference organic.
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O'rji et al. (1992) studied this question.
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