title: Radon-220 determination using activated C and a high-purity Ge detector.
mesh_terms: D000398:Air Pollution, Radioactive; D002244:Carbon; D007854:Lead / Q000032:analysis; D011868:Radioisotopes / Q000032:analysis; D011886:Radon / Q000032:analysis*
chemical_list: D011868:Radioisotopes; D007854:Lead; D002244:Carbon; D011886:Radon