Laser photolysis/resonance fluorescence study of the rate constants for the reactions of hydroxyl radicals with ethene and propene

1984 ◽  
Vol 88 (5) ◽  
pp. 984-989 ◽  
Author(s):  
R. Zellner ◽  
K. Lorenz
Keyword(s):  
Hydroxyl Radicals ◽  
Rate Constants ◽  
Laser Photolysis ◽  
Resonance Fluorescence ◽  
Fluorescence Study

Laser photolysis-resonance fluorescence investigation of the reactions of hydroxyl radicals with CCl3CHO and CF3CHO as a function of temperature

1993 ◽  
Author(s):  
Gerard Laverdet ◽  
Georges Le Bras ◽  
Helene MacLeod ◽  
G. Poulet ◽  
S. Teton ◽  
...  
Keyword(s):  
Hydroxyl Radicals ◽  
Laser Photolysis ◽  
Resonance Fluorescence

Rate constants for the gaseous reactions OH + C2H4 and OH + OH

1980 ◽  
Vol 33 (7) ◽  
pp. 1425 ◽  
Author(s):  
GK Farquharson ◽  
RH Smith
Keyword(s):  
Mass Spectrometer ◽  
Hydroxyl Radicals ◽  
Rate Constant ◽  
Rate Constants ◽  
Order Rate Constant ◽  
Resonance Fluorescence ◽  
Flow Tube ◽  
Third Order ◽  
Order Rate ◽  
Wall Loss

The rate of disappearance of hydroxyl radicals (generated by H+NO2 → OH+NO) along a discharge flow tube both with and without ethene present was measured by resonance fluorescence. Stoichiometry was simultaneously measured with a mass spectrometer, the leak into which was located downstream of the resonance fluorescence cell. After allowing for loss of hydroxyl by known homogeneous reactions and for wall loss (when applicable) it was found that for OH+C2H4 the low pressure limiting third-order rate constant kter was (3.1 � 0.5)x 10-29 cm6 s-1 at approximately 298 K. In addition an estimate for the second- order rate constant for OH+OH was obtained, namely (1.7 � 0.2) × 10-12 cm3 s-1. These results are discussed in relation to previous measurements.

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