Mass Spectrometry

 

 

 

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cheMSoton
University of Southampton
School of Chemistry
Highfield
Southampton
SO17 1BJ

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Help on Understanding and Interpreting Mass Spectra


 

What Is Ionisation?
Electron Ionisation (EI)
Chemical Ionisation (CI)
Electrospray Ionisation (ESI)
Atmospheric Pressure Chemical Ionisation (APCI)
Matrix Assisted Laser Desorption Ionisation (MALDI)

Open Access - GCMS Log In
Sample login procedure for GC-MS
[online slideshow]

Sample Considerations
EI / CI
ESI / APCI / MALDI
Reporting data

Open Access - GC-EI/CIMS Reprocessing
Data reprocessing in GC-EI/CIMS
[online slideshow]

Interpretation of Spectra
API
ES - positive ion
ES - negative ion
ES - multiply charged molecules

Open Access - Electrospray Log In
Sample login procedure for electrospray
[online slideshow]

Contamination Peaks - +ive Ion
ES - positive ion

Introduction To MS at Southampton
Overview of mass spectrometry at Southampton
including an introduction to different aspects of MS
[PowerPoint presentation - 1MB]

Contamination Peaks - Other
ES - Cluster ions
ES - PEG polymers