peak width

peak width

[′pēk ′width]
(analytical chemistry)
In a gas chromatogram (plot of eluent rise and fall versus time), the width of the base (time duration) of a symmetrical peak (rise and fall) of eluent.
References in periodicals archive ?
The groover interpolates square waves with a peak width [w.
This column also offered an enhanced signal-to-noise ratio 20 percent greater than the next best separation method, due to the decreased peak width achieved using the column.
Each sample peak duration was calculated by taking the difference of the two lower points, resulting in an upper limit of around 10 seconds and an average peak width lasting between 5 and 6 seconds.
g] and the peak area of the tan [delta] curves increased, and peak width also broadened (Figs.
Width, amplitude and peak width of the P, QRS and T wave at each time period is also shown.
When using the Acclaim 120 C18 column with the Vanquish platform, more than 60 peaks were determined with an average peak width at half height of 2.
The biggest known tornado was nearly 2 1/2 miles (4 kilometers) wide at its peak width, which the weather service describes as near the maximum size for a tornado.
The grating depth is not the only parameter which has an influence on the peak width, the number of periods [6,17] and the losses have also a significant impact.
Phenotypic deviations from normal contractions that can be measured in the improved assay include beat rate, peak width and pattern irregularities.
80 Da- Savitzky Golay method), centering (min peak width at half height 2 channels, centroid top 90%) without background subtraction.
In particular, in the idealized model case of infinitely deep square quantum well where the coordinate-dependent wavefunctions of higher states consist of integer number of sine/cosine halfwaves [9, 15], the respective coordinate-momentum uncertainty relation, corresponding to the momentum peak width detection at 50% level, reads