radioactive cobalt

radioactive cobalt

[¦rād·ē·ō′ak·tiv ′kō‚bȯlt]
(nuclear physics)
Radioactive form of cobalt, such as cobalt-60 with a half-life of 5.3 years.
References in periodicals archive ?
Contract notice: Supply radioactive cobalt source and the new bank (bed therapy) for the system of a radiotherapy radiotherapy department
Mexican authorities said they found the stolen truck and at least some of the radioactive cobalt on Wednesday, CNN reports.
VIENNA: The UN nuclear watchdog said it has airlifted deadly radioactive cobalt materials out of Lebanon to safety in Russia.
The United Nations (UN) nuclear watchdog has airlifted deadly radioactive cobalt material out of Lebanon and sent it to Russia to ensure it did not fall into the wrong hands, the Beirut dailies AN NAHAR and AL AKHBAR reported Friday.
A radioactive cobalt unit costing pounds 10,000 is to be installed at the Derbyshire Royal Infirmary, Derby for use in the treatment of cancer.
Throughout the 1950s and 60s and into the mid-70s, Dugway conducted over 1,000 open air chemical weapons tests with GB, VX and mustard agents, over 200 open air biological weapons tests involving a potpourri of pathogens, and nearly two dozen open air radiological tests, most involving radioactive tantalum, but using radioactive cobalt 60 on at least one occasion.
In May 2003, Argentina's nuclear regulatory agency red-flagged a request from a party in Texas for a teletherapy-sized shipment of radioactive cobalt.
During the irradiation process, foods are passed through a chamber containing radioactive Cobalt 60 and also bombarded with electron beams or X-rays to kill bacteria, insects and mold.
Setting up irradiators for even a small percentage of the 13 billion pounds of hamburger that we eat each year (and the billions of pounds of chicken, vegetables, fruits, and other foods) means producing, transporting, working with, and eventually disposing of radioactive cobalt and cesium rods.
Measurements over several months indicate that radioactive cobalt is steadily decaying into iron, and the energy released by this nuclear reaction is largely responsible for powering the supernova at its present stage.
The Gamma Knife is not a knife at all, but a radiosurgical device that treats brain tumors with precisely focused 201 sources of radioactive cobalt 60.
Contract notice: Supply radioactive cobalt source and the new bank (treatment bed) for system a radiotherapy radiotherapy department