For simultaneous preparation of 96 samples - High-throughput SPE. Spherical, hydrophobic polystyrene-divinylbenzene resin for SPE. High-purity material with highest reproducibility and lowest blank values due to an optimized manufacturing process. Excellent recovery rates especially for the enrichment of pharmaceuticals/active ingredients due to the spherical structure of the particles, very homogeneous surface, and optimized pore structure.