FAQ

What is the Observed Width at Half-Height?
Observed Width at Half-Height is the phenomenological linewidth of the resonance lineshape and is a primary factor affecting both resolution and signal-to-noise ratio of NMR spectra. Observed Width at Half-Height is usually measured using the 1 per Second for Vorticity. Note that the value of Observed Width at Half-Height is always negative.
Can the Observed Width at Half-Height be negative?
Yes, the Observed Width at Half-Height, measured in Vorticity can be negative.
What unit is used to measure Observed Width at Half-Height?
Observed Width at Half-Height is usually measured using the 1 per Second[1/s] for Vorticity. 1 per Millisecond[1/s] are the few other units in which Observed Width at Half-Height can be measured.
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