HPLC Separation of Phenolic Acids on Silica Gels Layer-by-Layer Modified with 6,10-Ionene and Dextran Sulfate

<div>Separation of PA and nitrogen-containing compounds on the SP-2 column (150 × 4.6 mm). Compounds (0.32–15 <i>μ</i>g/ml): 1, nadolol; 2, tetrahydrozoline; 3, atenolol; 4, sorbic acid; 5, benzoic acid; 6, carbinoxamine; 7, chlorpheniramine; 8, vanillic acid; 9, gallic acid; 10, sinapic acid; 11, caffeic acid.</div>

Journal of Chemistry

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Figure 9

Figure 9: HPLC Separation of Phenolic Acids on Silica Gels Layer-by-Layer Modified with 6,10-Ionene and Dextran Sulfate 