For simultaneous preparation of 96 samples - High-throughput SPE. State-of-the-art spherical polymer for highest demands in solid phase extraction. Hydrophilic-lipophilic balanced (HLB) N-vinylpyrrolidone-divinylbenzene copolymer. Applicable for a wide range of analyte polarities. Enhanced retention for polar compounds. High loadability and outstanding performance. Water wettable ? even if bed runs dry, SPE can be continued.