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Title: Atmospheric Chemistry of CF3CH2OCHF2 and CF3CHClOCHF2: Kinetics and Mechanisms of Reaction with Cl Atoms and OH Radicals and Atmospheric Fate of CF3C(O·)HOCHF2 and CF3C(O·)ClOCHF2 Radicals
Journal: J. Phys. Chem. A
Volume: 106
Page(s): 8391 - 8398
Year: 2002
Reference type: Journal article
Squib: 2002WAL/HUR8391-8398
Reaction:
CF3CH2OCHF2 + Cl → Products
Reaction order:
2
Reference reaction:
CH4 + Cl → Products
Reference reaction order:
2
Temperature:
295
K
Pressure: 0.93 bar
Rate expression:
1.2x10-14±2.0x10-15
Category: Experiment
Data type:
Relative value normalized by a reference value
Pressure dependence:
None reported
Experimental procedure:
Static or low flow - Data taken vs time
Excitation technique:
Flash photolysis (laser or conventional)
Time resolution:
In both real time and by end product analysis
Analytical technique:
Fourier transform (FTIR)
Comments:
Relative rate measurement (reference reactions Cl + CH4 and Cl + CD4), pyrex reactor with FTIR, Cl from photolysis of Cl2, mechanistic information on Cl reactions and product yields from OH reactions also determined, this reaction is a potential minor source of trifluoroacetic acid in the environment
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