HPLC Guard Cartridge VDSpher PUR C18-E, 3.5 µm, 2 x 20 mm, 5 pc/PAK

The standard phase VDSpher C18-E is usually a very good starting point for many separation problems. It is of medium hydrophobicity and shows a low silanophilic activity. Therefore, VDSpher C18-E has proven itself in many applications, such as for the isolation of natural substances, for the determination of caffeine in coffee, tea and other beverages containing caffeine and even for the determination of amino acids.