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Table 3
X-ray (1486.6 eV) desorption rates, dissociation rates, equilibrium constant α of Eq. (4), [CO2]eq/[CO]eq ratio at the equilibrium at 10 K (see text). The relative error is estimated at 30%.
| System | X-ray desorption rate a molec ph−1 (cm2 ph−1) | X-ray dissociation rate b c molec ph−1 (cm2 ph−1) | equilibrium constant α b | [CO2]eq/[CO]eq |
|---|---|---|---|---|
| 5.6 CO:Au | 2.3× 10−2 (2.3 × 10−17) | – | – | |
| 2.8 CO:Au | 2.2× 10−2 (2.2 × 10−17) | – | – | |
| 8.1 CO:20 Ar | 1.4× 10−2 (1.4 × 10−17) | – | – | |
| 16 Ar:5.6 CO:Au | – | 1.5× 10−2 (1.5 × 10−17) | 0.77 | 5% |
| 16 Ar:2.8 CO:Au | – | 1.5× 10−2 (1.5 × 10−17) | 0.75 | 6% |
| 16 Ar:6.3 CO:20 Ar | – | 1.5× 10−2 (1.5 × 10−17) | 0.76 | 6% |
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