Here you find some interesting links about mass spectrometry and /or chromatography.
physiksimulation.de - (simulations of various mass spectrographs)
mass spectrometry – a overall presentation of theory and techniques
sample preparation for protein identification via Nano-LC-MS
MS-examples for operators in protein analytics
analytiscal chemistry – chromatography on chemgapedia.de
large overview of LC-system companies
gas chromatography for beginners