Propylsulphonic acid modified silica cation exchanger for SPE
Base material silica, pore size 60Å, particle size 45µm, specific surface 500m²/g, pH stability 2 to 8, propylsulphonic acid modified silica, very strong cation exchanger (capacity 0.7meq/g), contrary to the SA phase no P-P interactions.
Recommended applications: weak cations.