Physics
Scientific paper
Feb 1995
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995georl..22..389m&link_type=abstract
Geophysical Research Letters, Volume 22, Issue 4, p. 389-392
Physics
3
Atmospheric Composition And Structure: Middle Atmosphere-Composition And Chemistry, Atmospheric Composition And Structure: Troposphere-Composition And Chemistry
Scientific paper
Rate constant for the reaction of OH with HFC-365mfc (CF3CH2CF2CH3) has been measured at a total pressure of 100 Torr, using the laser photolysis-laser induced fluorescence technique. The obtained kinetic data were used to derive the following Arrhenius expression over the temperature range 269-370 K: k=(1.68+/-0.21)×10-12 exp[-(1585+/-80)/T] cm3 molecule-1 s-1. At 298 K, the measured rate coefficient was: k=(8.69+/-0.74)×10-15 cm3 molecule-1 s-1. This study is the first investigation to be reported on this reaction. Using our kinetic data, the tropospheric lifetime of CF3CH2CF2CH3 is estimated to be 7.8 years.
Le Bras Georges
Mellouki Abdelwahid
Téton Sophie
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