H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 49/00 (2006.01) H01J 49/02 (2006.01) H01J 49/40 (2006.01)
Patent
CA 2283139
A method of correcting mass-spectral data acquired using a time-of-flight mass spectrometer (1) is disclosed comprising recognising in an observed mass spectrum the mass peaks and determining the observed peak area and mass centroid. Then, using a correction table, the observed mass centroid is corrected for the effect of detector dead-time. The correction table is generated using a Monte Carlo simulation.
L'invention se rapporte à un procédé de correction des données de spectre de masse acquises au moyen d'un spectromètre de masse de temps de vol (1). Ledit procédé consiste à identifier dans un spectre de masse observé les pics de masse et à déterminer l'aire des pics observés et le centre de gravité des masses. Puis, à l'aide d'une table de corrections, on corrige le centre de gravité des masses observées de façon à compenser l'effet du temps mort du détecteur. La table de correction est générée au moyen d'une simulation de Monte Carlo.
Cottrell Jonathan Charles
Hoyes John Brian
Fetherstonhaugh & Co.
Micromass Limited
Micromass Uk Limited
LandOfFree
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