The InertSep C18 SPE Cartridge, 500 mg/3 mL, is a silica-based, reversed-phase sorbent with octadecyl functional groups. It features a 60 µm average particle size, 3 mL column volume, 19.0% carbon loading, 450 m²/g surface area, and a pH range of 2-8. Its advanced high end-capping eliminates cationic interactions with silanol groups, redu...