VDS HPLC Guard Cartridge VDSpher PUR C18-M-SE, 2.5 μm, 4 x 20 mm, 5 pc/PAK

All VDSpher Classic and VDSpher PUR silica gels can be used on an analytical, semi-preparative, and preparative scale. To achieve the best possible column packing, we recommend VDSpher PUR phases for analytical applications and VDSpher Classic phases for preparative applications.