> as lemmas

1943 Jrnl. Amer. Chem. Soc. 65 1533/2 The lowest zone separated on rechromatography into a major portion, neo-dihydro-α-carotene A,..and a well-defined minor zone below it, neo B.

1996 P. Tempst et al. in A. L. Burlingame & S. A. Carr Mass Spectrometry in Biol. Sci. 108 Recoveries after rechromatography are typically on the order of 40–60%.