DESCRIPTION
Get balanced retention for polar and nonpolar analytes with Thermo Scientific™ HyperSep™ Retain PEP Plates, packed with a high capacity, high purity, highly porous polystyrene DVB material modified with urea functional groups. With chemistry pH stable 0 to 14, the of these cartridges in SPE sample preparation can significantly enhance the robustness and reliability of many biological, pharmaceutical, forensic and environmental applications.