in chromatography
https://doi.org/10.1351/goldbook.T06249
@A00486@ of a @P04451@ such that, relative to the @B00604@, the front is steeper than the rear. In paper @C01075@ and in @T06346@, the distortion of a @Z06749@ showing a diffuse region behind the zone in the direction of travel.
Sources:
Orange Book, 2nd ed., p. 96 [Terms]
PAC, 1993, 65, 819. (Nomenclature for chromatography (IUPAC Recommendations 1993)) on page 837 [Terms] [Paper]