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Updated: Jul 22, 2025

Molecular Beam Mass Spectrometry With Tunable Vacuum Ultraviolet VUV Synchrotron Radiation
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Molecular Beam Mass Spectrometry With Tunable Vacuum Ultraviolet VUV Synchrotron Radiation

Published on: October 30, 2012

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一个简单的高流量切换VUV灯,基于无电极光灯,用于SPI/PAI质谱

Zitao Yan1,2, Lixin Shan1,2, Shiyu Cheng1,2

  • 1Research Center for Environmental Material and Pollution Control Technology, University of Chinese Academy of Sciences, Beijing 101408, People's Republic of China.

Analytical chemistry
|July 20, 2023
PubMed
概括

研究人员开发了一种新的,低成本的真空紫外线 (VUV) 灯,用于单光子电离 (SPI) 分析. 这种便携式VUV光源提供高光子流量和即时切换,增强SPI和光诱导关联电离 (PAI) 对有机化合物的检测灵敏度.

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The absorbance of UV and visible (UV–visible) radiations is measured using a UV–visible spectrophotometer. Deuterium lamps, which emit UV radiation, and tungsten lamps, which produce radiation in the visible region, are used as light sources in UV–visible spectrophotometers. A monochromator or prism is used for diffraction grating, i.e., to split the incoming radiation into different wavelengths. A system of slits is used to focus the desired wavelength on the sample cell.
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