UV absorption spectra and kinetics of the self reaction of CFCl2CH2O2 and CF2ClCH2O2 radicals in the gas phase at 298 K

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Standard

UV absorption spectra and kinetics of the self reaction of CFCl2CH2O2 and CF2ClCH2O2 radicals in the gas phase at 298 K. / Wallington, Timothy J.; Nielsen, Ole J.

I: International Journal of Chemical Kinetics, Bind 23, Nr. 9, 01.01.1991, s. 785-798.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Wallington, TJ & Nielsen, OJ 1991, 'UV absorption spectra and kinetics of the self reaction of CFCl2CH2O2 and CF2ClCH2O2 radicals in the gas phase at 298 K', International Journal of Chemical Kinetics, bind 23, nr. 9, s. 785-798. https://doi.org/10.1002/kin.550230905

APA

Wallington, T. J., & Nielsen, O. J. (1991). UV absorption spectra and kinetics of the self reaction of CFCl2CH2O2 and CF2ClCH2O2 radicals in the gas phase at 298 K. International Journal of Chemical Kinetics, 23(9), 785-798. https://doi.org/10.1002/kin.550230905

Vancouver

Wallington TJ, Nielsen OJ. UV absorption spectra and kinetics of the self reaction of CFCl2CH2O2 and CF2ClCH2O2 radicals in the gas phase at 298 K. International Journal of Chemical Kinetics. 1991 jan. 1;23(9):785-798. https://doi.org/10.1002/kin.550230905

Author

Wallington, Timothy J. ; Nielsen, Ole J. / UV absorption spectra and kinetics of the self reaction of CFCl2CH2O2 and CF2ClCH2O2 radicals in the gas phase at 298 K. I: International Journal of Chemical Kinetics. 1991 ; Bind 23, Nr. 9. s. 785-798.

Bibtex

@article{06a0ad81329f42f5afb69c90e6f80d35,
title = "UV absorption spectra and kinetics of the self reaction of CFCl2CH2O2 and CF2ClCH2O2 radicals in the gas phase at 298 K",
abstract = "The ultraviolet absorption spectra of the peroxy radicals derived from hydrochlorofluorocarbons 141b and 142b, (CFCl2CH2O2 and CF2ClCH2O2, respectively), and the kinetics of their self reactions have been studied in the gas phase at 298 K using a pulse radiolysis technique. Absorption cross sections were quantified over the wavelength range 220–300 nm. Measured absorption cross sections at 250 nm were indistinguishable within the experimental uncertainties (≈10%) and yield; (Formula Presented.) Errors represent the sum of statistical uncertainty and our estimate of potential systematic errors. Our absorption cross section data were then used to derive the observed self reaction rate constants for reactions (1) and (2), defined as −d[RO2]/dt = 2k[RO2]2 (R = CFCl2CH2 or CF2ClCH2), (Formula Presented.) of k1obs = (4.36 ± 0.64) × 10−12 and k2obs = (4.13 ± 0.58) × 10−12 cm3 molecule−1 s−1, quoted errors represent 2σ. These results are discussed with respect to previous studies of the absorption spectra and kinetics of peroxy radicals.",
author = "Wallington, {Timothy J.} and Nielsen, {Ole J.}",
year = "1991",
month = jan,
day = "1",
doi = "10.1002/kin.550230905",
language = "English",
volume = "23",
pages = "785--798",
journal = "International Journal of Chemical Kinetics",
issn = "0538-8066",
publisher = "JohnWiley & Sons, Inc.",
number = "9",

}

RIS

TY - JOUR

T1 - UV absorption spectra and kinetics of the self reaction of CFCl2CH2O2 and CF2ClCH2O2 radicals in the gas phase at 298 K

AU - Wallington, Timothy J.

AU - Nielsen, Ole J.

PY - 1991/1/1

Y1 - 1991/1/1

N2 - The ultraviolet absorption spectra of the peroxy radicals derived from hydrochlorofluorocarbons 141b and 142b, (CFCl2CH2O2 and CF2ClCH2O2, respectively), and the kinetics of their self reactions have been studied in the gas phase at 298 K using a pulse radiolysis technique. Absorption cross sections were quantified over the wavelength range 220–300 nm. Measured absorption cross sections at 250 nm were indistinguishable within the experimental uncertainties (≈10%) and yield; (Formula Presented.) Errors represent the sum of statistical uncertainty and our estimate of potential systematic errors. Our absorption cross section data were then used to derive the observed self reaction rate constants for reactions (1) and (2), defined as −d[RO2]/dt = 2k[RO2]2 (R = CFCl2CH2 or CF2ClCH2), (Formula Presented.) of k1obs = (4.36 ± 0.64) × 10−12 and k2obs = (4.13 ± 0.58) × 10−12 cm3 molecule−1 s−1, quoted errors represent 2σ. These results are discussed with respect to previous studies of the absorption spectra and kinetics of peroxy radicals.

AB - The ultraviolet absorption spectra of the peroxy radicals derived from hydrochlorofluorocarbons 141b and 142b, (CFCl2CH2O2 and CF2ClCH2O2, respectively), and the kinetics of their self reactions have been studied in the gas phase at 298 K using a pulse radiolysis technique. Absorption cross sections were quantified over the wavelength range 220–300 nm. Measured absorption cross sections at 250 nm were indistinguishable within the experimental uncertainties (≈10%) and yield; (Formula Presented.) Errors represent the sum of statistical uncertainty and our estimate of potential systematic errors. Our absorption cross section data were then used to derive the observed self reaction rate constants for reactions (1) and (2), defined as −d[RO2]/dt = 2k[RO2]2 (R = CFCl2CH2 or CF2ClCH2), (Formula Presented.) of k1obs = (4.36 ± 0.64) × 10−12 and k2obs = (4.13 ± 0.58) × 10−12 cm3 molecule−1 s−1, quoted errors represent 2σ. These results are discussed with respect to previous studies of the absorption spectra and kinetics of peroxy radicals.

UR - http://www.scopus.com/inward/record.url?scp=0026220317&partnerID=8YFLogxK

U2 - 10.1002/kin.550230905

DO - 10.1002/kin.550230905

M3 - Journal article

AN - SCOPUS:0026220317

VL - 23

SP - 785

EP - 798

JO - International Journal of Chemical Kinetics

JF - International Journal of Chemical Kinetics

SN - 0538-8066

IS - 9

ER -

ID: 228197405