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Eur. J. Mass Spectrom. 4, 79 - 81 (1998) |
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Letter: Ionized 1,4-dioxane; the structures of the m/z 44 and m/z 45 fragment ions revisited | ||
R. Thissen, P. Mourgues and H.E. Audier |
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ABSTRACT: | ||
The structures of m/z 44 and m/z 45 fragment ions from ionized 1,4-dioxane were reinvestigated by means of ionmolecule reactions and appearance energy (AE) measurements. They are found to be ionized vinyl alcohol (m/z 44) and protonated acetaldehyde (m/z 45), respectively. The same AE value is found for both ions, suggesting a common intermediate. | ||
Keywords: 1,4-dioxane, ion structure, bimolecular reactivity, deuterium labeling, appearance energy. |
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