| abstract |
Use of zwitterionic adsorbents for liquid chromatography, the adsorbents having a solid support having a porous structure, and wherein the adsorbents are prepared by a process comprising the steps of: a) reacting a silane compound of the general formula I. (Formula I) with either a sulfonic acid compound of the general formula II (Formula II) or with a sulfonic acid compound of the general formula III (Formula III), ... |