Atmospheric chemistry of gaseous diethyl sulfate

S. M. Japar, T. J. Wallington, Jean M. Andino, J. C. Ball

Research output: Contribution to journalArticle

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Abstract

The atmospheric reactivity of diethyl sulfate (DES) has been investigated. Upper limits to the rate constants (in cm3 molecule-1 s-1) for the homogeneous gas-phase reactions of DES with O3, NH3, and H2O have been determined by FTIR spectroscopy and are -21, -21, and ≤2.3 x 10-23, respectively. The reactivity of DES toward OH radicals and Cl atoms has been determined by using relative rate techniques; rate constants for those reactions are (1.8 ± 0.7) x 10-12 and (1.1 ± 0.1) x 10-11, respectively. These rate constants correspond to atmospheric lifetimes ranging from ≥1 day with respect to reaction with water to >12 years with respect to ozone. With the possible exception of its reaction with water, these results indicate that the atmospheric fate of DES within an urban air parcel is not determined by its homogeneous gas-phase reactions with any of the atmospheric species studied. No evidence has been found for the formation of DES or related compounds during the ozonolysis of olefins in the presence of SO2 and ethanol.

Original languageEnglish
Pages (from-to)894-897
Number of pages4
JournalEnvironmental Science and Technology
Volume24
Issue number6
Publication statusPublished - Jun 1990

Fingerprint

Atmospheric chemistry
atmospheric chemistry
sulfate
Rate constants
gas phase reaction
Gases
Water
Ozone
Alkenes
FTIR spectroscopy
Olefins
ethanol
Ethanol
ozone
diethyl sulfate
Sulfates
Spectroscopy
Atoms
water
Molecules

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Science(all)
  • Environmental Chemistry
  • Earth and Planetary Sciences(all)

Cite this

Japar, S. M., Wallington, T. J., Andino, J. M., & Ball, J. C. (1990). Atmospheric chemistry of gaseous diethyl sulfate. Environmental Science and Technology, 24(6), 894-897.

Atmospheric chemistry of gaseous diethyl sulfate. / Japar, S. M.; Wallington, T. J.; Andino, Jean M.; Ball, J. C.

In: Environmental Science and Technology, Vol. 24, No. 6, 06.1990, p. 894-897.

Research output: Contribution to journalArticle

Japar, SM, Wallington, TJ, Andino, JM & Ball, JC 1990, 'Atmospheric chemistry of gaseous diethyl sulfate', Environmental Science and Technology, vol. 24, no. 6, pp. 894-897.
Japar, S. M. ; Wallington, T. J. ; Andino, Jean M. ; Ball, J. C. / Atmospheric chemistry of gaseous diethyl sulfate. In: Environmental Science and Technology. 1990 ; Vol. 24, No. 6. pp. 894-897.
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