Open Access

Table 1

Experiments performed in this study.

Reactants T (K) H dep. (ML) CO/H2CO/MF dep. (ML) MM:MeOH
Exp. 1 13CO + H 10 50.0 2.7 0.005
Exp. 2 C18O + H 10 50.0 2.1 0.005
Exp. 3 12CO + H 10 50.0 1.5 0.004
Exp. 4 + H 10 50.0 1.7 0.005
Exp. 5 + H 10 50.0 2.0 0.005
Exp. 6 + H 25 50.0 2.6
Exp. 7 13CO + H 25 50.0 2.0
Exp. 8 MF + H 10 52.0 36.0

Notes. The amount of CO/H2CO/MF deposited is obtained from the IR data, while the amount of H deposited is from a separate calibration. After deposition, the ices are heated up at a ramp rate of5 K min−1 to do a TPD. The resulting MeOH:MM ratio in the reaction product is shown.

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