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Mass Spectrometry

Class at Faculty of Mathematics and Physics |
NEVF125

Syllabus

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1. Introduction to mass spectrometry History of mass spectrometry. Main parts of mass spectrometer. Fundamentals of ion optics. Mass spectrum, resolving power, sensitivity. Vacuum system of mass spectrometers. *

2. Ionisation techniques Electron ionisation, ionisation cross section, critical potentials, internal energy, fragmentation. Soft ionisation technique. Ionisation sources. Sample introductions into ionisation sources. *

3. Mass analyzers Magnetic sector analyzers, single and double focusing of ions. Time of flight analyzers, space and velocity focusing, reflector time of flight analyzers. Quadrupole analyzers. Ion traps. Ion cyclotron resonance. Hybrid systems. *

4. Ion detection Faraday cup, electron multipliers, microchannel plates, conversion detectors. *

5. Interpretation of spectra Convectional procedure, qualitative and quantitative analyse of electron ionisation spectra. Cracking patterns. Partial pressure analysis in vacuum system.

Annotation

Fundamental principles of static and dynamic mass spectrometers. Main types of spectrometers.

Interpretation of electron ionisation spectra.