Two-dimensional chromatography can be applied to GC or LC separations. The heart-cutting approach selects a specific region of interest on the first dimension for separation, and the comprehensive approach uses all analytes in the second-dimension separation.
two-dimensional chromatography can be applied to gc or lc separations the heart-cutting approach selects a specific region of interest on the first dimension for separation and the comprehensive approach uses all analytes in the second-dimension separation