title: Determination of uranium, thorium, radium and potassium in commercial products.
mesh_terms: D008722:Methods; D010710:Phosphates / Q000032:analysis*; D011197:Potassium Radioisotopes / Q000032:analysis*; D011883:Radium / Q000032:analysis*; D013624:Taiwan; D013910:Thorium / Q000032:analysis*; D014501:Uranium / Q000032:analysis*
chemical_list: D010710:Phosphates; D011197:Potassium Radioisotopes; D014501:Uranium; D013910:Thorium; D011883:Radium