Oxygen isotope fractionation factor between CO2 and CO32−
✍ Scribed by S.K. Sharma; T. Sharma
- Book ID
- 107771308
- Publisher
- Elsevier Science
- Year
- 1969
- Weight
- 328 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0020-7381
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A study was made of the reversible exchange of oxygen between CO a and CO on a carbon kl surface, CO 2+ CfeCO+ Co, at 750"-850°C and atmospheric pressure with carbon-14 used as a tracer. At these temperatures the rates of exchange were a few orders of magnitude greater than the rates of gasification
19 torr and a flow rate of 1.4 x 10'" was 2.71 x 10" atoms of C per cm" per sec. This is 1.8 per cent of the rate of ablation of graphite with oxygen for similar reaction conditions. The effect of pressure, flow and temperature on the rate of reaction is presented. Correlation is made with kinetic t