Sep-Pak Aminopropyl (NH2) Classic Cartridge, 360 mg Sorbent per Cartridge, 55 — 105 µm, 50/pk

Sep-Pak Amino Propyl (NH2) Classic cartridges contain a moderately polar, silica-based bonded phase with weakly basic surface. The sorbent can be used as a polar sorbent with different selectivity for acidic/basic analytes or as a weak anion exchanges in aqueous medium below pH 8. Applications include extraction of phenols and phenolic pigments, petroleum fractionation, saccharides and drugs and metabolites. These Classic-style cartridges are designed for use with positive displacement by a Luer-tip syringe and can also attach easily to vacuum-assisted flow devices using a male/male adaptor.