H - Electricity – 01 – J
Patent
H - Electricity
01
J
H01J 49/40 (2006.01) B01D 59/44 (2006.01) H01J 49/16 (2006.01) H01J 49/44 (2006.01)
Patent
CA 2042386
In mass spectrometry, a time of flight (TOF) mass spectrometer is used to measure the mass spectrum of organic molecules of mass ranging from 200 Dalton to greater than 200,000 Dalton. Ions from the sample are desorbed by striking the probe tip with laser pulses in a spot size, on the tip, in the range of 0.03 - 3.0 mm-. The time of flight of the ions is measured and displayed with a resolution of the ion molecular signal in the range of 300-500 full width at half-maximum definition (FWHM).
En spectrométrie de masse, un spectromètre de masse à temps de vol est utilisé pour mesurer le spectre de masse de molécules organiques dont la masse va de 200 daltons à plus de 200 000 daltons. Les ions de l'échantillon sont désorbés par l'application, au bout de la sonde, d'impulsions laser sur une surface de 0,03 à 3,0 mm de diamètre. Le temps de vol des ions est mesuré et affiché avec une résolution du signal d'ion moléculaire de l'ordre de 300 à 500 LMH (largeur à mi-hauteur).
Beavis Ronald Charles
Chait Brian Trevor
Ridout & Maybee Llp
Rockefeller University (the)
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