SPE Sorbens (bulk), CHROMABOND PSA

Description

Packing material, sorbent for SPE applications. Our PSA (propylsulfonic acid-modified silica gel) is a very strong cation exchanger (capacity ~ 0.7 meq/g), in contrast to the CHROMABOND SA phase no π-π-π interactions. Note – for the application of QuEChERS see “CHROMABOND Diamino or CHROMABOND QuEChERS”.