摘要
本文首先回顾了同位素质谱仪发展历史,分析了同位素质谱仪技术进展的基础,介绍了市售七种现代同位素质谱仪。对当前7种类型同位素质谱仪技术优势产品的基本构件和特点进行了描述,讨论了影响同位素质谱仪性能,诸如灵敏度、丰度灵敏度、精密度和分辨率的重要技术进展,给出了仪器性能参数。对不同的同位素质谱仪在各个应用领域的技术优势进行了简要说明。文后,展望了同位素质谱仪的发展趋势。
This paper briefly reviews the development history of isotope mass spectrometer and introduces the technology progress of 7 various modern commercial instruments.The basic structure and characteristics of each generation of the instrument technology are described in detail.Some important parameters affecting the sensitivity,abundance sensitivity,precision and resolution of isotope ratio measurements on isotope mass spectrometers are discussed.The main performance characteristics and the classification method of the modern isotope mass spectrometers are comprehensively given and its application advantages in different areas were briefly compared.In the end,the future development of isotope mass spectrometer technology is forecasted.
出处
《现代科学仪器》
2012年第5期5-14,19,共11页
Modern Scientific Instruments
关键词
同位素质谱仪
性能参数
技术进展
灵敏度
丰度灵敏度
精度
分辨率
Isotope mass spectrometer
Performance characteristics
Technology progress
Sensitivity
Abundance sensitivity
Precision
Resolution
