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Author(s):   Jimenez, E.; Lanza, B.; Antinolo, M.; Albaladejo, J.
Title:   Influence of temperature on the chemical removal of 3-methylbutanal, trans-2-methyl-2-butenal, and 3-methyl-2-butenal by OH radicals in the troposphere
Journal:   Atmos. Environ.
Volume:   43
Page(s):   4043 - 4049
Year:   2009
Reference type:   Journal article
Squib:   2009JIM/LAN4043-4049

Reaction:   CH3CH=C(CH3)CHO + ·OH → Products
Reaction order:   2
Temperature:   263 - 353 K
Pressure:  6.16E-2 - 0.13 bar
Rate expression:   6.9x10-12 [±9.0x10-13 cm3/molecule s] e4373 [±349 J/mole]/RT
Category:  Experiment
Data type:   Absolute value measured directly
Pressure dependence:   Rate constant is pressure independent
Experimental procedure:   Static or low flow - Data taken vs time
Excitation technique:   Flash photolysis (laser or conventional)
Time resolution:   In real time
Analytical technique:   Laser induced fluorescence
Comments:   Error limits are 2 sigma of the Arrhenius fit. Concentrations of the aldehyde was measured by absorption spectroscopy.

View full bibliographic record.

Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
263 5.10E-11
275 4.67E-11
300 3.98E-11
325 3.48E-11
350 3.10E-11
353 3.06E-11