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The Selectra® line of HPLC columns is created using an ultra-high purity, Type B, spherical silica. This support material minimizes surface activity and allows for high density functional group bonding.
The Selectra DA phase is a unique polyaromatic phase.
Selectra DA Brochure
UCT Application Note Opioids in Blood and Urine using DAU SPE Cartridges and Selectra DA UHPLC Column