The 185 nm Photolysis of 1,4-Dioxane in the Liquid Phase
Open Access
- 1 February 1979
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 34 (2) , 327-332
- https://doi.org/10.1515/znb-1979-0237
Abstract
The main products in the 185 nm photolysis of neat 1,4-dioxane are formaldehyde (Φ = 0.25), glycol monovinyl ether (0.17), and ethylene (0.15). Some hydrogen (0.04), carbon monoxide (0.01), acetaldehyde (0.03), oxetane (0.04), and bidioxanyl (0.01) are also formed. On N2O-saturation, the quantum yields of these products are diminished by about 30%, and N2 (0.59) and hydroxydioxane (0.4) become the main products. They are thought to be formed in the reaction sequence In aqueous dioxane, photoionisation is possible due to a greater lowering of the ionisation threshold. In dioxane/water 20:80 the main products are H2 (0.50) and bidioxanyl (0.45), most likely formed in consequence ofKeywords
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