Co-catalyzed oxidation of carbon monoxide and triphenylphosphine using complexes derived from hexadecacarbonyl as homogeneous catalyst. Characterization of rhodium carbonyl intermediates, oxygen-18 labeling to identify oxygen atom sources and observation of catalyzed oxygen atom exchange between carbon dioxide and water

1983 ◽  
Vol 22 (21) ◽  
pp. 3130-3137 ◽  
Author(s):  
Mark K. Dickson ◽  
Nagaraj S. Dixit ◽  
D. Max Roundhill
Keyword(s):  
Carbon Dioxide ◽  
Carbon Monoxide ◽  
Oxygen Atom ◽  
Catalyst Characterization ◽  
Homogeneous Catalyst ◽  
Catalyzed Oxidation ◽  
Oxidation Of Carbon Monoxide

The radiation chemistry of carbon monoxide at very high dose rates

1970 ◽  
Vol 48 (19) ◽  
pp. 3029-3033 ◽  
Author(s):  
C. Willis ◽  
O. A. Miller
Keyword(s):  
Carbon Dioxide ◽  
Carbon Monoxide ◽  
Excited State ◽  
Oxygen Atom ◽  
Dose Rate ◽  
Electron Accelerator ◽  
Radiation Chemistry ◽  
High Dose ◽  
Dose Rates ◽  
Very High

Carbon monoxide has been irradiated with single intense pulses from an electron accelerator at a dose rate of ~ 2 × 1027 eV g−1 s−1. The yield of carbon dioxide obtained was G(CO2) = 0.7 ± 0.1 with a very small yield of carbon suboxide, G(C3O2) ≤ 0.02.Addition of propene reduces the carbon dioxide yield to almost zero while addition of propane has no effect. This suggests that propene is acting as an oxygen atom scavenger rather than as a quencher of an excited state of carbon monoxide. However, rate constant data do not support this suggestion and it is concluded that the residual yield of carbon dioxide observed at high dose rates arises from reaction 9[Formula: see text]where CO+ is in an A2Π or B2Σ+ state.

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