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The establishment of EVISA is funded by the EU through the Fifth Framework Programme (G7RT- CT- 2002- 05112).

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full width at half-maximum height (FWHM)

The width (Δm) of a singly charged mass spectral peak (M) at a position corresponding to half of the peak height.  It is used to determine the resolving power of a mass spectrometer by the ratio m1/Δm.


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