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Electron-impact fragmentation of ascorbic acid |
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| Authors: | A N Zavilopulo L G Romanova O B Shpenik and A S Agafonova |
| Institution: | (1) Department of Radiochemistry and Colloid Chemistry,Faculty of Chemistry, Faculty of Chemistry, Maria Curie-Sk odowska University, M. Curie-Skodowska Sq. 3, 20-031 Lublin, Poland;(2) Department of Theoretical Chemistry, Faculty of Chemistry, Maria Curie-Skodowska University, M. Curie-Skodowska Sq. 3, 20-031 Lublin, Poland |
| Abstract: | The processes of ascorbic acid total and dissociative ionization by 6 to 100 eV electrons in the temperature interval 360–460 K are studied with an MX-7304A monopole mass spectrometer. A scheme of ascorbic acid fragmentation due to electron-impact-induced ionization is suggested, and possible channels of producing the most intense fragment ions in the mass spectrum are indicated. The energy dependences and thresholds of fragment ion formation are determined for the first time in the incident electron energy range 7–30 eV. |
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