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Fig. 3

Fig. 3 Refer to the following caption and surrounding text.

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IR spectra, between 2400 and 500 cm 1, of pure CH3CH2OH ice at 10 K before (b) and after (c) UV irradiation. Spectrum (a), taken from NASA cosmic ice laboratory (Hudson et al. 2009), shows the CH3CHO:H2O ice.

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