Electron-impact fragmentation of ascorbic acid

被引：7
|
作者：
Zavilopulo, A. N. [1 ]
Romanova, L. G. [1 ]
Shpenik, O. B. [1 ]
Agafonova, A. S. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Inst Electron Phys, UA-88017 Uzhgorod, Ukraine
来源：
TECHNICAL PHYSICS | 2009年 / 54卷 / 04期
关键词：
IONIZATION; MOLECULES; OXYGEN; ENERGY; IONS;
D O I：
10.1134/S1063784209040045
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
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.
引用
收藏
页码：463 / 468
页数：6
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