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

Direct determination of the quantum yield of hydroxyl radicals in the laser photolysis of formic acid at 222 nm

1987 ◽  
Vol 91 (13) ◽  
pp. 3463-3465 ◽  
Author(s):  
Gurvinder S. Jolly ◽  
Donald L. Singleton ◽  
George. Paraskevopoulos
Keyword(s):  
Quantum Yield ◽  
Formic Acid ◽  
Hydroxyl Radicals ◽  
Direct Determination ◽  
Laser Photolysis

Kinetic study of the reaction OH + HI by laser photolysis-resonance fluorescence

1990 ◽  
Vol 22 (11) ◽  
pp. 1167-1176 ◽  
Author(s):  
H. Mac Leod ◽  
C. Balestra ◽  
J. L. Jourdain ◽  
G. Laverdet ◽  
G. Le Bras
Keyword(s):  
Kinetic Study ◽  
Laser Photolysis ◽  
Resonance Fluorescence

Rate Constant for the Reaction of OH with n-C4H10

1973 ◽  
Vol 28 (8) ◽  
pp. 1383-1384 ◽  
Author(s):  
F. Stuhl
Keyword(s):  
Hydroxyl Radicals ◽  
Rate Constant ◽  
Fluorescence Method ◽  
Oh Radicals ◽  
Resonance Fluorescence ◽  
Kinetic Behavior ◽  
Large Excess ◽  
Uv Photolysis ◽  
Resonance Fluorescence Method ◽  
Vacuum Uv

The kinetic behavior of OH radicals was studied in the presence of a large excess of n-butane. Hydroxyl radicals were produced by pulsed vacuum-uv photolysis of H2O and were monitored directly by a resonance fluorescence method. The rate constant for the reaction OH + n-butane was determined to be 2.35 (±0.35) × 10-12 cm3 molecule-1 sec-1 at 298 °K.

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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