G21G1/00	7	Arrangements 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)	G21G1/00	G21G1/00		170
G21G1/0005	8	{Isotope delivery systems (use of radioisotopes as tracers G21H5/02)}	G21G1/00	G21G1/00		305
G21G1/001	8	{Recovery of specific isotopes from irradiated targets}	G21G1/00	G21G1/00		409
G21G2001/0015	9	{Fluorine}	G21G1/00	G21G1/00		36
G21G2001/0021	9	{Gallium}	G21G1/00	G21G1/00		32
G21G2001/0026	9	{Arsenic}	G21G1/00	G21G1/00		2
G21G2001/0031	9	{Rubidium}	G21G1/00	G21G1/00		16
G21G2001/0036	9	{Molybdenum}	G21G1/00	G21G1/00		99
G21G2001/0042	9	{Technetium}	G21G1/00	G21G1/00		76
G21G2001/0047	9	{Rhodium}	G21G1/00	G21G1/00		2
G21G2001/0052	9	{Palladium}	G21G1/00	G21G1/00		3
G21G2001/0057	9	{Indium}	G21G1/00	G21G1/00		7
G21G2001/0063	9	{Iodine}	G21G1/00	G21G1/00		32
G21G2001/0068	9	{Cesium}	G21G1/00	G21G1/00		8
G21G2001/0073	9	{Rhenium}	G21G1/00	G21G1/00		14
G21G2001/0078	9	{Thallium}	G21G1/00	G21G1/00		3
G21G2001/0084	9	{Bismuth}	G21G1/00	G21G1/00		7
G21G2001/0089	9	{Actinium}	G21G1/00	G21G1/00		54
G21G2001/0094	9	{Other isotopes not provided for in the groups listed above}	G21G1/00	G21G1/00		244
G21G1/02	8	in nuclear reactors (by thermonuclear reactions G21B; conversion of nuclear fuel G21C)	G21G1/02	G21G1/02		355
G21G1/04	8	outside nuclear reactors or particle accelerators	G21G1/04	G21G1/04		161
G21G1/06	9	by neutron irradiation	G21G1/06	G21G1/06		278
G21G1/08	10	accompanied by nuclear fission	G21G1/08	G21G1/08		82
G21G1/10	9	by bombardment with electrically charged particles (irradiation devices G21K5/00)	G21G1/10	G21G1/10		496
G21G1/12	9	by electromagnetic irradiation, e.g. with gamma or X-rays (applications of radiation G21H5/00; irradiation devices G21K5/00)	G21G1/12	G21G1/12		156
G21G4/00	7	Radioactive 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)	G21G4/00	G21G4/00		130
G21G4/02	8	Neutron sources	G21G4/02	G21G4/02		480
G21G4/04	8	Radioactive sources other than neutron sources (radioactive dressings A61N5/1029)	G21G4/04	G21G4/04		308
G21G4/06	9	characterised by constructional features	G21G4/06	G21G4/06		383
G21G4/08	10	specially adapted for medical application (radiation therapy using radioactive sources A61N5/10)	G21G4/08	G21G4/08		469
G21G4/10	9	with radium emanation	G21G4/10	G21G4/10		77
G21G5/00	7	Alleged conversion of chemical elements by chemical reaction	G21G5/00	G21G5/00		26
G21G7/00	7	Conversion of chemical elements not provided for in other groups of this subclass	G21G7/00	G21G7/00		76
