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| Content Provider | Royal Society of Chemistry (RSC) |
|---|---|
| Author | Parkes, David A. |
| Copyright Year | 1973 |
| Abstract | The rate constant of the clustering reaction O–2+ 2CO2→ CO–4+ CO2 has been measured for near-thermal ions in a drift tube and mass filter and found to be 1.2 ± 0.2 × 10–28 ml2 molecule–2 s–1 at 298 K and pressures in the region of 1 Torr. The similar reaction with CO, O–2+ CO + CO2→ CO–3+ CO2, has been shown to have a rate constant more than 100 times smaller. An upper limit of 10–16 ml molecule–1 s–1 is found for the reaction CO–4+ CO → CO–3+ CO2. It is concluded that the values of these rate constants, together with those measured earlier 1 for O– cluster reactions, do not allow sufficient reoxidation of CO to CO2 by simple ground-state oxygen negative ions to explain the apparent radiation stability of CO2. Some alternative mechanisms are considered. |
| Starting Page | 198 |
| Ending Page | 207 |
| Page Count | 10 |
| File Format | |
| ISSN | 03009599 |
| Volume Number | 69 |
| Journal | Journal of the Chemical Society, Faraday Transactions 1 |
| DOI | 10.1039/F19736900198 |
| Language | English |
| Publisher | Royal Society of Chemistry |
| Access Restriction | Open |
| Subject Keyword | Oxygen John Torrey Torr |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry |
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