Ionization methods in organic mass spectrometry. Sausalito, Calif: University Science Books. ^ Tureček, František McLafferty, Fred W.Mass Spectrometry: Organic Chemical Applications. Online corrected version: (2006–) " resolving power in mass spectrometry". ^ IUPAC, Compendium of Chemical Terminology, 2nd ed.Online corrected version: (2006–) " resolution in mass spectroscopy".
^ a b c IUPAC, Compendium of Chemical Terminology, 2nd ed.The value obtained from a 5% peak width is roughly equivalent to a 10% valley. The valley definition defines ΔM as the closest spacing of two peaks of equal intensity with the valley (lowest value of signal) between them less than a specified fraction of the peak height.
SPECTRAL RESOLUTION CALCULATOR FULL
The latter is called the full width at half maximum (FWHM). In the peak width definition, the value of ΔM is the width of the peak measured at a specified fraction of the peak height, for example 0.5%, 5%, 10% or 50%. The two most widely used are the peak width definition and the valley definition.
There are several ways to define the minimum peak separation ΔM in mass spectrometry, therefore it is important to report the method used to determine mass resolution when reporting its value. This definition also appears in some mass spectrometry texts. and ion microscopy (SIMS) but not gas chromatography. Resolution and resolving power, when defined in this way, are consistent with IUPAC recommendations for microscopy, optical spectroscopy. The IUPAC definition for resolution in mass spectrometry is There are two different definitions of resolution and resolving power in mass spectrometry.
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