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Cobalt - Isotopes | | Cobalt - Isotopes: Encyclopedia II - Cobalt - Isotopes | | Naturally occurring cobalt is composed of 1 stable isotope, 59-Co (59Co). 22 radioisotopes have been characterized with the most stable being 60Co with a half-life of 5.2714 years, 57-Co (57Co) with a half-life of 271.79 days, and 56-Co (56Co) with a half-life of 77.27 days, and 58-Co (58Co) with a half life of 70.86 days. All of the remaining radioactive isotopes have half-lifes that are less than 18 hours and the majority of these have half lives that are less than 1 second. This element also has 4 meta states, all of which ha ...
See also:Cobalt, Cobalt - Notable characteristics, Cobalt - Applications, Cobalt - Use in medicine, Cobalt - History, Cobalt - Biological role, Cobalt - Occurrence, Cobalt - Compounds, Cobalt - Isotopes, Cobalt - Precautions | | | Cobalt, Cobalt - Applications, Cobalt - Biological role, Cobalt - Compounds, Cobalt - History, Cobalt - Isotopes, Cobalt - Notable characteristics, Cobalt - Occurrence, Cobalt - Precautions, Cobalt - Use in medicine, Benjamin Wegner | | |
| | | Cobalt: Encyclopedia II - Cobalt - Isotopes
Cobalt - Isotopes
Naturally occurring cobalt is composed of 1 stable isotope, 59-Co (59Co). 22 radioisotopes have been characterized with the most stable being 60Co with a half-life of 5.2714 years, 57-Co (57Co) with a half-life of 271.79 days, and 56-Co (56Co) with a half-life of 77.27 days, and 58-Co (58Co) with a half life of 70.86 days. All of the remaining radioactive isotopes have half-lifes that are less than 18 hours and the majority of these have half lives that are less than 1 second. This element also has 4 meta states, all of which have half lives less than 15 minutes.
The isotopes of cobalt range in atomic weight from 50 amu (50Co) to 73 amu (73Co). The primary decay mode before the most abundant stable isotope, 59Co, is electron capture and the primary mode after is beta decay. The primary decay products before 59Co are element 26 (iron) isotopes and the primary products after are element 28 (nickel) isotopes.
Other related archives1730, 1737, 19th century, Alloys, Alnico, Australia, Battery, Benjamin Wegner, Blaafarveværket, Bohr magnetons, Canada, Catalysts, Chemical elements, Cobalt, Ontario, Cobalt-60, Cobalt-60 (Co-60 or 60Co), Corrosion, Curie temperature, Democratic Republic of the Congo, George Brandt, Glenn Seaborg, Greek, Magnets, Mammals, MeV, Metallic, Neel temperature, Prussian, Russia, Saskatoon, Superalloys, Transition metals, Zambia, aircraft, amu, antiferromagnetic, atom, atomic number, atomic weight, beta decay, bismuth, by-product, cancer, carbides, chemical element, cm, cobalamin, cobalt bomb, cobalt-60, cobaltite, copper, crystallographic structures, decay mode, decay products, diamond, dirty bomb, electron capture, electroplating, enamels, engines, erythrite, fcc, ferromagnetic, foods for sterilization, gamma ray, geometric, glass, glaucodot, grazing, half-life, hcp, humans, iron, irradiation, isotope, kobold, linacs, mainland China, meta states, meteoric iron, neutrons, nickel, nuclear fallout, nuclear war, nuclear weapon designs, ores, organisms, oxidation states, paints, pasteurization, penumbra, periodic table, petroleum, polluted, porcelain, radioactive, radioactive isotope, radiography, radioisotopes, radiotherapy, recording media, relative permeability, salts, skutterudite, steels, temperature, tires, transition, turbine, vitamin, vitamin B-12
 Adapted from the Wikipedia article "Isotopes", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki |
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