Rate of methane dissociation over 2800-4300 K: the low-pressure-limit rate constant

1993 ◽  
Vol 97 (2) ◽  
pp. 414-420 ◽  
Author(s):  
J. H. Kiefer ◽  
S. S. Kumaran
Keyword(s):  
Rate Constant ◽  
Low Pressure ◽  
Pressure Limit ◽  
Methane Dissociation

Phosphorescence Lifetime of S02 in the ã3B1 State at Low Pressure

1975 ◽  
Vol 53 (14) ◽  
pp. 2133-2139 ◽  
Author(s):  
J. Philip Briggs ◽  
Robert B. Caton ◽  
Michael J. Smith
Keyword(s):  
Decay Rate ◽  
Electronic State ◽  
Rate Constant ◽  
Pressure Range ◽  
Low Pressure ◽  
Nonradiative Relaxation ◽  
Phosphorescence Lifetime ◽  
Pressure Decay ◽  
Emission Decay ◽  
Spherical Container

The emission decay rate (inverse lifetime) of the optically-excited ã3B1 electronic state of SO2 vapor at approximately 25 °C has been measured in a 35 cm diameter spherical container over the pressure range 1 < P < 500 m Torr in pure SO2 and in mixtures of SO2 with He, Ar, or Xe. The Stern–Volmer rate constant for quenching by [Formula: see text]was determined to be (4.46 ± 0.11) × 108 1 mol−1 s−1, and the extrapolated, zero-pressure decay rate was calculated to be (3.75 ± 0.58) × 102 s−1. The latter quantity implies a considerably greater proportionate contribution by radiative, as opposed to nonradiative, relaxation of this state than has been reported previously.

scholarly journals Low pressure limit of the bayard-alpert gauge

1977 ◽  
Vol 140 (3) ◽  
pp. 453-460 ◽  
Author(s):  
C. Benvenuti ◽  
M. Hauer
Keyword(s):  
Low Pressure ◽  
Pressure Limit
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