Answer Posted / pankaj deshmukh

The tailing factor is determined by drawing a perpendicular line from the peak centre to the baseline of the peak. Then the peak width and the front half-width are measured for the peak at 5% of the height of the peak. The tailing factor is simply the entire peak width divided by twice the front half-width while asymmetry factor  measured at 10% of the peak height. The asymmetry factor is determined by dividing the back half-width by the front half-width

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