It are designed for efficient solid-phase extraction (SPE) applications, particularly for the purification of organic compounds. With 500 mg of Florisil sorbent, these columns provide excellent separation capacity for a wide range of sample types. Constructed from polypropylene (PP) with polyethylene (PE) filter elements, they prevent clogging and ensure smooth filtration. The 3 mL column volume and 500 mg sorbent content make them ideal for medium to high-volume sample processing, and the pack includes 50 columns, perfect for laboratory and industrial use.