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American Chemical Society, The Journal of Physical Chemistry A, 45(111), p. 11506-11513, 2007

DOI: 10.1021/jp074288r

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UV and IR absorption cross-sections of HCHO, HCDO, and DCDO

Journal article published in 2007 by Aline Gratien, Elna Nilsson, {Elna Johanna Kristina} Nilsson, Jean-Francois Doussin, Matthew S. Johnson, {Matthew Stanley} Johnson, Claus J. Nielsen ORCID, {Claus Jørgen} Nielsen, Yngve Stenstrøm, Bénédicte Picquet-Varrault
This paper is available in a repository.
This paper is available in a repository.

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Abstract

UV (240-370 nm) and IR (3200-1500 cm(-1)) absorption cross-sections of HCHO, HCDO, and DCDO in a bath gas of N(2) at atmospheric pressure and 296 K are reported from simultaneous measurements in the two spectral regions. Cross-sections were placed on an absolute scale through quantitative conversion of formaldehyde to CO and HCOOH by titration with Br atoms, also monitored by FTIR. The integrated UV absorption cross-sections of HCHO, HCDO, and DCDO are equal to within the experimental uncertainty.