On Different Desorption Modes in LDMS
In laser desorption mass spectrometry (LDMS) two different configurations concerning the arrangement of the laser and of the mass analysing system with respect to the sample are commonly used. In reflection-type instrumentation, irradiation and extraction of the desorbed ions are performed on the same side of the sample, in transmission-type instruments on opposite sides. This paper focuses exclusively on the latter type, particularly on the laser microprobe mass analyser LAMMA 500 (Leybold-Heraeus, Köln, F.R.G.).
KeywordsSugar Perforation Cyclodextrin Clarification Stachyose
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