Copure Carb-GCB/PSA is a sorbent similar to Carb-GCB/NH2 and suitable for cleaning samples up in multi-residual pesticide analysis.
Due to its additional secondary amino groups, PSA has a higher ion exchange capability and ability to chelate some metal ions, thus providing Carb-GCB/PSA with unique selectivity different from Carb-GCB/NH2.
Available in different formats.