Abstract
The u.v. emission spectra of Br2 observed from discharged mixtures of argon and various bromine-containing compounds (Ar + RB1) are studied in a flow system at low pressure. Evidence for different Br*2 formation mechanisms in Ar + Br2 is presented. The dominant Br*2 formation mechanism in other systems (Ar + RBr, R ≠ Br) is most probably an exchange reaction of Br* with RBr. The origin of the Br2 spectrum on the short-wavelength side of the 290 nm D′–A′ band is discussed. Our analyses suggest that the D′–A′ transition makes a major contribution to the total intensity in the 240–290 nm region in Ar + RBr, R ≠ Br.
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Schedule a callMore From: Journal of the Chemical Society, Faraday Transactions 2
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