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cobalt
- CAS:10198-40-0
- MW:59.933822
- MF:Co
60Co (cobalt-60), a gamma and beta ray emitter with a half-life of about 5.3 years, is used in cancer therapy. Small pieces of radioactive metallic cobalt, made radioactive in a nuclear reactor, are placed into a proper shielding device and the radiation from them used in place of a high-powered x-ray machine or radium implantations in treating patients with localized cancer. cobaltSupplier
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