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Über eine Kombination eines Gas‐Chromatographen mit einem Massenspektrographen
Author(s) -
Widmer Hans,
Gäumann Tino
Publication year - 1962
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.19620450652
Subject(s) - chemistry , gas chromatography , analytical chemistry (journal) , sensitivity (control systems) , chromatography , gas chromatography ion detector , electronic engineering , engineering
The direct combination of a gas chromatograph with a time‐of‐flight mass spectrometer is described. The advantages over the method of sampling the different gas‐chromatographic peaks are high sensitivity, high gas‐chromatographic resolution and speed of recording. The main difficulties encountered when working with small concentrations are memory effect, low abundance sensitivity and gas noise with the same frequency distribution as the flicker‐noise of thermal cathodes.