Cobalt metal powders flammable when exposed to fire. The cobalt compounds must be handled carefully because of mild toxicity. 60Co source emits powerful gamma rays should be exposed to it will lead to cancer risk. Ingestion causes cobalt 60Co penetrate tissue and excreted very slow process chap.60Co risk factor is controversial nuclear issue neutron source will transform into isotopes 59Co. Some models of nuclear weapons, the deliberate increase in volume form 60Co spread nuclear fallout - up there when people call that a dirty bomb or cobalt bomb. A leading scientist has predicted that this bomb capable of destroying all life on Earth. If the cause originates not a nuclear war, it is also due to inappropriate handling (or theft), the department of medical radiation therapy machines. However, gamma rays emitted by 60Co is used to kill bacteria and increase the resistance on vegetables.
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