PHOTOCHEMICAL INVESTIGATIONS IN THE FAR ULTRAVIOLET.
Abstract
The photoionization of the nitrogen molecule was investigated in an apparatus consisting of a capillary spark as light source, a Seya-Namioka monochromator, an ion source, and a four pole field mass spectrometer. A flash photolysis apparatus for the extreme ultraviolet was developed. The reaction chamber is separated from the discharge chamber by LiF windows; the flash energy is distributed to 12 parallel spark gaps fired synchronically with a time resolving power of 2 - 3 microsec. In fluorescence experiments with the resonance wave lengths of Krypton and Xenon an NH transition was observed. Investigations of the photodissociation of simple molecules at wavelengths < 1000 Angstroms showed fluorescence of the photodissociation products in the region 1100 - 1500 Angstroms in the case of H2, O2, NO, H2O, CO2, but not of NH3, N2O, N2, and CO. The photolysis of NH3 was investigated with the resonance wave lengths of Krypton and Xenon, and the Hg line 1849 Angstroms in static and flow systems. The quantum yield of NH3 decomposition and of N2H4 formation was measured in dependence on the wave lengths pressure, flow velocity, and added gases. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- May 14, 1963
- Accession Number
- AD0416366
Entities
People
- W. E. Groth
Organizations
- University of Bonn