
Journal of the Chemical Society - Faraday Transactions p. 3027 - 3032 (1995)
Update date:2022-08-23
Topics:
Harwood, Matthew H.
Rowley, David M.
Freshwater, Raymond A.
Cox, R. Anthony
Jones, Roderic L.
The UV absorption spectrum of dichlorine trioxide, Cl2O3 has been recorded in the wavelength range 220-340 nm and at 223 K using a recently developed flash photolysis-kinetic UV absorption spectroscopy apparatus.Cl2O3 was generated in the reaction between ClO and OClO following the partial photolysis of OClO.The spectrum obtained is smooth, and shows a peak at 267 nm, where ? = 1.76E-17 cm2 molecule-1 (base e).Results are broadly consistent with previous determinations of the spectrum, although we report higher cross-sections in the long-wavelength tail of the absorption.The discrepancies between these and previous measurements are discussed, together with the atmospheric implications of this work.
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