Atmospheric chemistry of 1,1,1-trichloroethane: UV absorption spectra and self-reaction kinetics of CCl3CH2 and CCl3CH2O2 radicals, kinetics of the reactions of the CCl3CH2O2 radical with NO and NO2, and the fate of the alkoxy radical CCl3CH2O

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Standard

Atmospheric chemistry of 1,1,1-trichloroethane : UV absorption spectra and self-reaction kinetics of CCl3CH2 and CCl3CH2O2 radicals, kinetics of the reactions of the CCl3CH2O2 radical with NO and NO2, and the fate of the alkoxy radical CCl3CH2O. / Platz, Jesper; Nielsen, Ole J.; Sehested, Jens; Wallington, Timothy J.

I: Journal of Physical Chemistry, Bind 99, Nr. 17, 01.12.1995, s. 6570-6579.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Platz, J, Nielsen, OJ, Sehested, J & Wallington, TJ 1995, 'Atmospheric chemistry of 1,1,1-trichloroethane: UV absorption spectra and self-reaction kinetics of CCl3CH2 and CCl3CH2O2 radicals, kinetics of the reactions of the CCl3CH2O2 radical with NO and NO2, and the fate of the alkoxy radical CCl3CH2O', Journal of Physical Chemistry, bind 99, nr. 17, s. 6570-6579.

APA

Platz, J., Nielsen, O. J., Sehested, J., & Wallington, T. J. (1995). Atmospheric chemistry of 1,1,1-trichloroethane: UV absorption spectra and self-reaction kinetics of CCl3CH2 and CCl3CH2O2 radicals, kinetics of the reactions of the CCl3CH2O2 radical with NO and NO2, and the fate of the alkoxy radical CCl3CH2O. Journal of Physical Chemistry, 99(17), 6570-6579.

Vancouver

Platz J, Nielsen OJ, Sehested J, Wallington TJ. Atmospheric chemistry of 1,1,1-trichloroethane: UV absorption spectra and self-reaction kinetics of CCl3CH2 and CCl3CH2O2 radicals, kinetics of the reactions of the CCl3CH2O2 radical with NO and NO2, and the fate of the alkoxy radical CCl3CH2O. Journal of Physical Chemistry. 1995 dec. 1;99(17):6570-6579.

Author

Platz, Jesper ; Nielsen, Ole J. ; Sehested, Jens ; Wallington, Timothy J. / Atmospheric chemistry of 1,1,1-trichloroethane : UV absorption spectra and self-reaction kinetics of CCl3CH2 and CCl3CH2O2 radicals, kinetics of the reactions of the CCl3CH2O2 radical with NO and NO2, and the fate of the alkoxy radical CCl3CH2O. I: Journal of Physical Chemistry. 1995 ; Bind 99, Nr. 17. s. 6570-6579.

Bibtex

@article{9f61589aca4e4975a0e9e111346917f8,
title = "Atmospheric chemistry of 1,1,1-trichloroethane: UV absorption spectra and self-reaction kinetics of CCl3CH2 and CCl3CH2O2 radicals, kinetics of the reactions of the CCl3CH2O2 radical with NO and NO2, and the fate of the alkoxy radical CCl3CH2O",
abstract = "A pulse radiolysis technique was used to measure the UV absorption spectra of CCl3CH2 and CCl3CH2O2 radicals over the range 220-300 nm. At 220 nm, σ(CCl3CH2) = (9.4 ± 1.1) × 10-18 cm2 molecule-1; at 250 nm, σ(CCl3CH2O2) = (2.9 ± 0.3) × 10-18 cm2 molecule-1. The observed self-reaction rate constants, defined as -d[CCl3CH2]/dt = 2k4[CCl3CH2] and -d[CCl3CH2O2]/dt = 2k5obs[CCl3CH2O2]2, were k4 = (9.1 ± 1.1) × 10-12 and k5obs = (4.7 ± 1.6) × 10-12 cm3 molecule-1 s-1. The reaction of CCl3CH2O2 radicals with NO gives CCl2CH2O radicals. In the atmosphere, >96% of the CCl3CH2O radicals react with O2 to give CCl3CHO. The rate constants for the reactions of CCl3CH2O2 radicals with NO and NO2 were determined to be k6 ≥ 6.1 × 10-12 cm3 molecule-1 s-1 and k7 = (6.5 ± 0.4) × 10-12 cm3 molecule-1 s-1, respectively. As a part of this work, the rate constant for the reaction between F atoms and CCl3CH3 was determined to be k3 = (6.8 ± 1.5) × 10-12 cm3 molecule-1 s-1. A relative rate technique was used to measure rate constants for the reactions of Cl atoms with: CCl3CH3, (9.9 ± 2.0) × 10-15; CCl3CHO, (6.0 ± 1.3) × 10-12; and CCl3CH2OH (3.0 ± 0.6) × 10-12 (units of cm3 molecule-1 s-1) at 296 K. Results are discussed in the context of the atmospheric chemistry of 1,1,1-trichloroethane.",
author = "Jesper Platz and Nielsen, {Ole J.} and Jens Sehested and Wallington, {Timothy J.}",
year = "1995",
month = dec,
day = "1",
language = "English",
volume = "99",
pages = "6570--6579",
journal = "Journal of Physical Chemistry",
issn = "0022-3654",
publisher = "American Chemical Society",
number = "17",

}

RIS

TY - JOUR

T1 - Atmospheric chemistry of 1,1,1-trichloroethane

T2 - UV absorption spectra and self-reaction kinetics of CCl3CH2 and CCl3CH2O2 radicals, kinetics of the reactions of the CCl3CH2O2 radical with NO and NO2, and the fate of the alkoxy radical CCl3CH2O

AU - Platz, Jesper

AU - Nielsen, Ole J.

AU - Sehested, Jens

AU - Wallington, Timothy J.

PY - 1995/12/1

Y1 - 1995/12/1

N2 - A pulse radiolysis technique was used to measure the UV absorption spectra of CCl3CH2 and CCl3CH2O2 radicals over the range 220-300 nm. At 220 nm, σ(CCl3CH2) = (9.4 ± 1.1) × 10-18 cm2 molecule-1; at 250 nm, σ(CCl3CH2O2) = (2.9 ± 0.3) × 10-18 cm2 molecule-1. The observed self-reaction rate constants, defined as -d[CCl3CH2]/dt = 2k4[CCl3CH2] and -d[CCl3CH2O2]/dt = 2k5obs[CCl3CH2O2]2, were k4 = (9.1 ± 1.1) × 10-12 and k5obs = (4.7 ± 1.6) × 10-12 cm3 molecule-1 s-1. The reaction of CCl3CH2O2 radicals with NO gives CCl2CH2O radicals. In the atmosphere, >96% of the CCl3CH2O radicals react with O2 to give CCl3CHO. The rate constants for the reactions of CCl3CH2O2 radicals with NO and NO2 were determined to be k6 ≥ 6.1 × 10-12 cm3 molecule-1 s-1 and k7 = (6.5 ± 0.4) × 10-12 cm3 molecule-1 s-1, respectively. As a part of this work, the rate constant for the reaction between F atoms and CCl3CH3 was determined to be k3 = (6.8 ± 1.5) × 10-12 cm3 molecule-1 s-1. A relative rate technique was used to measure rate constants for the reactions of Cl atoms with: CCl3CH3, (9.9 ± 2.0) × 10-15; CCl3CHO, (6.0 ± 1.3) × 10-12; and CCl3CH2OH (3.0 ± 0.6) × 10-12 (units of cm3 molecule-1 s-1) at 296 K. Results are discussed in the context of the atmospheric chemistry of 1,1,1-trichloroethane.

AB - A pulse radiolysis technique was used to measure the UV absorption spectra of CCl3CH2 and CCl3CH2O2 radicals over the range 220-300 nm. At 220 nm, σ(CCl3CH2) = (9.4 ± 1.1) × 10-18 cm2 molecule-1; at 250 nm, σ(CCl3CH2O2) = (2.9 ± 0.3) × 10-18 cm2 molecule-1. The observed self-reaction rate constants, defined as -d[CCl3CH2]/dt = 2k4[CCl3CH2] and -d[CCl3CH2O2]/dt = 2k5obs[CCl3CH2O2]2, were k4 = (9.1 ± 1.1) × 10-12 and k5obs = (4.7 ± 1.6) × 10-12 cm3 molecule-1 s-1. The reaction of CCl3CH2O2 radicals with NO gives CCl2CH2O radicals. In the atmosphere, >96% of the CCl3CH2O radicals react with O2 to give CCl3CHO. The rate constants for the reactions of CCl3CH2O2 radicals with NO and NO2 were determined to be k6 ≥ 6.1 × 10-12 cm3 molecule-1 s-1 and k7 = (6.5 ± 0.4) × 10-12 cm3 molecule-1 s-1, respectively. As a part of this work, the rate constant for the reaction between F atoms and CCl3CH3 was determined to be k3 = (6.8 ± 1.5) × 10-12 cm3 molecule-1 s-1. A relative rate technique was used to measure rate constants for the reactions of Cl atoms with: CCl3CH3, (9.9 ± 2.0) × 10-15; CCl3CHO, (6.0 ± 1.3) × 10-12; and CCl3CH2OH (3.0 ± 0.6) × 10-12 (units of cm3 molecule-1 s-1) at 296 K. Results are discussed in the context of the atmospheric chemistry of 1,1,1-trichloroethane.

UR - http://www.scopus.com/inward/record.url?scp=0000241474&partnerID=8YFLogxK

M3 - Journal article

AN - SCOPUS:0000241474

VL - 99

SP - 6570

EP - 6579

JO - Journal of Physical Chemistry

JF - Journal of Physical Chemistry

SN - 0022-3654

IS - 17

ER -

ID: 228192171