G21GCONVERSION OF CHEMICAL ELEMENTSRADIOACTIVE SOURCES applications of radiation in general G21H5/00; handling particles, e.g. neutrons, or electromagnetic radiation not otherwise provided for G21KIn this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme. G21G1/00 G21G1/00Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes separation of different isotopes of the same element B01D59/00 G21G1/0005Isotope delivery systems use of radioisotopes as tracers G21H5/02 G21G1/001Recovery of specific isotopes from irradiated targets G21G2001/0015Fluorine G21G2001/0021Gallium G21G2001/0026Arsenic G21G2001/0031Rubidium G21G2001/0036Molybdenum G21G2001/0042Technetium G21G2001/0047Rhodium G21G2001/0052Palladium G21G2001/0057Indium G21G2001/0063Iodine G21G2001/0068Cesium G21G2001/0073Rhenium G21G2001/0078Thallium G21G2001/0084Bismuth G21G2001/0089Actinium G21G2001/0094Other isotopes not provided for in the groups listed above G21G1/02in nuclear reactors by thermonuclear reactions G21B; conversion of nuclear fuel G21C G21G1/04outside nuclear reactors or particle accelerators G21G1/06by neutron irradiation G21G1/08accompanied by nuclear fission G21G1/10by bombardment with electrically charged particles irradiation devices G21K5/00 G21G1/12by electromagnetic irradiation, e.g. with gamma or X-rays applications of radiation G21H5/00; irradiation devices G21K5/00 G21G4/00Radioactive sources producing neutrons or other subatomic particles, X- or gamma rays, in fusion reactors G21B, in nuclear reactors G21C, by cosmic radiation G21H7/00, in accelerators H05H; X-ray tubes H01J35/00; gamma masers H01S4/00 G21G4/02Neutron sources G21G4/04Radioactive sources other than neutron sources radioactive dressings A61N5/1029 G21G4/06characterised by constructional features G21G4/08specially adapted for medical application radiation therapy using radioactive sources A61N5/10 G21G4/10with radium emanation G21G5/00Alleged conversion of chemical elements by chemical reaction G21G7/00Conversion of chemical elements not provided for in other groups of this subclass