Study of the photon-induced formation and subsequent desorption of CH3OH and H2CO in interstellar ice analogs

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Table 3

UV photoprocessing experiments of pure C₂H₅OH ices.

Experiment	N_initial(C₂H₅OH)	Fluence	N_final(C₂H₅OH)	N_final(CH₃OH)	N_final(H₂CO)^a
	×10¹⁵ molecules cm^-2	×10¹⁷ photons cm^-2	×10¹⁵ molecules cm^-2

1	204.7	7.2	39.8	0.0	≤90.1
2	185.6	7.2	38.3	0.0	≤85.5

Notes.

^(a)

This is an upper limit since the H₂CO IR band used is blended with two more bands corresponding to acetaldehyde and water.

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