Direct determination of the quantum yield of OH in the laser photolysis of formic acid at 222 nm
Journal Article
·
· J. Phys. Chem.; (United States)
The primary quantum yield for formation of OH radicals by photolysis of the monomer and the dimer of formic acid vapor at 222 nm is determined for the first time by a laser photolysis-resonance absorption technique. The measurement is relative to the quantum yield of OH in the photolysis of nitric acid, taken as unity. For the monomer of formic acid, the quantum yield of OH is found to be unity, and for the dimer, essentially zero. The photochemical implications of the results are discussed.
- Research Organization:
- National Research Council of Canada, Ottawa, Ontario
- OSTI ID:
- 6189468
- Journal Information:
- J. Phys. Chem.; (United States), Journal Name: J. Phys. Chem.; (United States) Vol. 91:13; ISSN JPCHA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400500* -- Photochemistry
ABSORPTION
CARBOXYLIC ACIDS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CHEMISTRY
DATA
DECOMPOSITION
DIMERS
EFFICIENCY
ELECTROMAGNETIC RADIATION
EXPERIMENTAL DATA
FLUIDS
FORMIC ACID
GASES
HYDROXYL RADICALS
INFORMATION
LASERS
MONOCARBOXYLIC ACIDS
MONOMERS
NUMERICAL DATA
ORGANIC ACIDS
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOCHEMISTRY
PHOTOLYSIS
QUANTUM EFFICIENCY
RADIATIONS
RADICALS
RESONANCE ABSORPTION
SYNTHESIS
ULTRAVIOLET RADIATION
VAPORS
400500* -- Photochemistry
ABSORPTION
CARBOXYLIC ACIDS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CHEMISTRY
DATA
DECOMPOSITION
DIMERS
EFFICIENCY
ELECTROMAGNETIC RADIATION
EXPERIMENTAL DATA
FLUIDS
FORMIC ACID
GASES
HYDROXYL RADICALS
INFORMATION
LASERS
MONOCARBOXYLIC ACIDS
MONOMERS
NUMERICAL DATA
ORGANIC ACIDS
ORGANIC COMPOUNDS
PHOTOCHEMICAL REACTIONS
PHOTOCHEMISTRY
PHOTOLYSIS
QUANTUM EFFICIENCY
RADIATIONS
RADICALS
RESONANCE ABSORPTION
SYNTHESIS
ULTRAVIOLET RADIATION
VAPORS