number of theoretical plates (chromatography) number of theoretical plates measured at 60.7 % of peak height 2022-11-28 Added alt label. [Allotrope] number of theoretical plates measured at 60.7 percent of peak height number of theoretical plates measured at 60.7 % of peak height number of theoretical plates measured at 60.7% of peak height The number of theoretical plates calculated by the peak width at 60.7 % of peak height (2 sigma for a gaussian peak). [Allotrope]