RSpak NN-814, which has a higher polarity gel than that of RSpak KC-811 is suitable for the analysis of aromatic organic acids. The ion exclusion and reversed phase modes contribute to the separation of aromatic organic acids.
Column : Shodex RSpak NN-814 (8.0mmI.D. x 250mm)
Eluent : 0.1% H3PO4 aq.
Column temp. : 60°C