The invention relates to a set (1) for producing a radiopharmaceutical (8), comprising: - a cation exchange cartridge (2)； - a reaction vial (3) containing a precursor marker； - a solution vial (4) containing a solvent； - an elution vial (5) containing a sterile solution that comprises sodium chloride (NaCl) and hydrochloric acid (HCl)； - a buffer salt. The invention further relates to a method for producing a radiopharmaceutical (8).
