title: A new technique for fluorescence x-ray counting.
mesh_terms: D000576:Americium; D005453:Fluorescence; D007455:Iodine / Q000032:analysis; D011868:Radioisotopes; D011874:Radiometry / Q000379:methods*; D015018:Ytterbium
chemical_list: D011868:Radioisotopes; D007455:Iodine; D015018:Ytterbium; D000576:Americium