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Author(s):   Jimenez, E.; Lanza, B.; Garzon, A.; Ballesteros, B.; Albaladejo, J.
Title:   Atmospheric degradation of 2-butanol, 2-methyl-2-butanol, and 2,3-dimethyl-2-butanol: OH kinetics and UV absorption cross sections
Journal:   J. Phys. Chem. A
Volume:   109
Page(s):   10903 - 10909
Year:   2005
Reference type:   Journal article
Squib:   2005JIM/LAN10903-10909

Reaction:   (CH3)2CHC(OH)(CH3)2 + ·OH → Products
Reaction order:   2
Temperature:   268 - 354 K
Pressure:  5.47E-2 - 0.26 bar
Rate expression:   5.07x10-13 [cm3/molecule s] (T/298 K)1.00 e7134 [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:   Photolysis of H2O2 used as OH source.
He, Ar, and N2 all used as bath gases.
Parameters from fit by abstractor. Authors give:
k = (5.60±0.60)x10-12 + (1.52±0.21)x10-14exp{(1620±268)/T} cm3s-1

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Rate constant values calculated from the Arrhenius expression:

T (K)k(T) [cm3/molecule s]
268 1.12E-11
275 1.06E-11
300 8.91E-12
325 7.74E-12
350 6.90E-12
354 6.79E-12