The kinetics of the reactions of hydroxyl radical with n-undecane (n-CH) and n-dodecane (n-CH) has been studied at 240-340 K and a total pressure of 1 Torr using the relative rate/discharge flow/mass spectrometry (RR/DF/MS) technique. The rate constants at 298 K for these reactions were determined to be k = (1.59 ± 0.24) × 10 cm molecule s and k = (1.83 ± 0.26) × 10 cm molecule s, respectively. The rate constants of these reactions were found to positively dependent on temperature at 277-340 K, and negatively dependent on temperature at 240-277 K. The atmospheric lifetime of these compounds are estimated to be 25.8 and 19.8 h for n-undecane and n-dodecane, respectively, based the kinetics results in the present study.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.