isocratic elution

in chromatography
synonym: isocratic analysis
https://doi.org/10.1351/goldbook.09896
Chromatography in which the composition of the mobile phase remains constant during elution.
Source:
PAC, 2017, 90, 181. 'Terminology of separation methods (IUPAC Recommendations 2017)' on page 188 (https://doi.org/10.1515/pac-2017-0111)