High Performance Liquid Chromatography -laboratory vials online-Aijiren. HPLC Columns,Buffers,Reagents,Standards,and Accessories. We offer a wide selection of high-performance liquid chromatography (HPLC,UHPLC,and LC-MS) columns for small and large molecule (biomolecule) analysis,including those employing fully porous particles (FPP) with our Purospher™ STAR,Discovery and Ascentis ® columns