Figure 7-30. Comparison of chromatograms obtained from LC x LC separations of tristyrylphenol ethoxylate phosphate surfactants using an interface equipped with open loops (A) or packed traps (B). 1D, first dimension; 2D, second dimension.
Reprinted with permission from Gargano, A.F.G., Duffin, M., Navarro, P., Schoenmakers, P.J., 2016. Reducing dilution and analysis time in online comprehensive two-dimensional liquid chromatography by active modulation. Anal. Chem. 88, 1785-1793. http://dx.doi.org/10.1021/acs.analchem.5b04051.
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