The self-radiolysis of COZ in excess tritium (3Hz) has been studied at pressures of 0.1 to 1.0 atm, temperatures of -80' to +lOO"C, and in the presence of added HzO, He, or Ar. The primary products of decomposition are C O and 3Hz0. Secondary products are C3H4, CzaH4, and a white polymer. The rates
The radiolysis of mixtures of carbon monoxide and hydrogen
โ Scribed by W. H. Beattie
- Publisher
- John Wiley and Sons
- Year
- 1973
- Tongue
- English
- Weight
- 531 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0538-8066
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โฆ Synopsis
The self-radiolysis of mixtures of CO and tritium (3H2) has been studied at pressures of 0.25 to 1 .O atmospheres, temperatures of -198" to 4-lOO"C, and in the presence of added HzO or COZ. The products of decomposition are COZ, 3H20, C3H4, G3H4, and a white polymer believed to be polyformaldehyde. Initial rates and G values were measured and compared with rates of ion pair formation. The rates of formation of both C o t and C3H4 are independent of temperature and proportional to the energy absorbed in the aHz.
๐ SIMILAR VOLUMES
Carbon monoxide has been irradiated with intense pulses of 1 MeV electrons and two transient absorption spectra have been observed. One of these consisted of a series of bands extending from 5000 -8500 b and the second a single line at 2479 A. The species giving rise to the band system is probably C
Previous studies by Buckler and Norrish of the second limit of CO and 0 2 mixtures containing small amounts (0.25-10%) of Hz have been used to obtain the velocity constant of the reaction (33) 0 + CO + M = COz + M Theseestimatesofks3=3.9 X lo8 and 3.5 X I081iter2mole-zsec-1(M =H2) at500"and 560ยฐC.