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).
