SPE column, CHROMABOND PSA, 45 µm, 3 mL/500 mg

Description

Propylsulfonic acid-modified silica gel, very strong cation exchanger (SCX). Capacity ~ 0.7 meq/g, in contrast to the SA phase no π-π interactions. If you are looking for PSA (primary and secondary amine – used with QuEChERS mixtures), please select QuEChERS or Diamino.