title: Improved separation of 3H and 125I spectra in liquid scintillation counting by doping with thallium and lead.
mesh_terms: D007457:Iodine Radioisotopes / Q000032:analysis*; D007854:Lead; D012588:Scintillation Counting; D013793:Thallium; D014316:Tritium / Q000032:analysis*
chemical_list: D007457:Iodine Radioisotopes; D014316:Tritium; D007854:Lead; D013793:Thallium