A procedure in which the composition of the @M03952@ is changed continuously or stepwise during the @E02042@ process.
Sources: Orange Book, 2
nd ed., p. 93 [
Terms] [
Book]
PAC, 1993,
65, 819. (
Nomenclature for chromatography (IUPAC Recommendations 1993)) on page 826 [
Terms] [
Paper]