A Simple Key For columns used in HPLC analysis Unveiled
C18 exhibits The standard functions in the alkyl team - non-polar and ionically inert in most typical ailments. Retention from a C18 stationary stage arises from weak van der Waals intermolecular drive that draws hydrophobic compounds. C18 along with other alkyl phases for example C8 and C4 represent essentially the most essential form of reverse p