Temperature-Dependence of Ultraviolet Absorption Cross-Sections of Alternative Chlorofluoroethanes: 2. The 2-chloro-1,1,1,2-tetrafluoro ethane -HCFC-124
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Authors
Gillotay, D.
Simon, P.C.
Discipline
Earth and related Environmental sciences
Subject
absorption cross section
chlorofluoroethane
photodissociation coefficient
temperature
ultraviolet cross section
chlorofluorohydrocarbon
ozone
absorption
article
dissociation
environmental temperature
ultraviolet radiation
Audience
Scientific
Date
1991Metadata
Show full item recordDescription
The temperature-dependent ultraviolet absorption cross-sections of CF3-CHFCI (HCFC-124) have been measured between 170 and 230 nm for temperatures ranging from 295 to 210 K, with uncertainties between 2 and 4%. These results are compared with other available sets of determinations. Temperature effects are discussed and the photodissociation coefficients, presented with their temperature dependence, are calculated. Implication of the temperature dependences on the stratospheric chemistry is also discussed. Parametrical formulae are proposed to compute absorption crosssection values for wavelengths and temperatures useful in modelling calculations.
Citation
Gillotay, D.; Simon, P.C. (1991). Temperature-Dependence of Ultraviolet Absorption Cross-Sections of Alternative Chlorofluoroethanes: 2. The 2-chloro-1,1,1,2-tetrafluoro ethane -HCFC-124. , Journal of Atmospheric Chemistry, Vol. 13, Issue 3, 289-299, DOI: 10.1007/BF00058136.Identifiers
scopus: 2-s2.0-0025919293
Type
Article
Peer-Review
Yes
Language
eng