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Cobalt is an essential element for health in animals in minute amounts as a component of vitamin B 12. A deficiency of cobalt, which is very rare, is also potentially lethal, leading to pernicious anemia. [1] Exposure to cobalt metal dust is most common in the fabrication of tungsten carbide. [2]
Not all heavy metals are toxic and some toxic metals are not heavy. [5] Elements often discussed as toxic include cadmium, mercury and lead, [6] all of which appear in the World Health Organization's list of 10 chemicals of major public concern. [7] Other examples include chromium and nickel, [8] thallium, bismuth, arsenic, antimony and tin. [4]
The series itself premiered on SBS One on 27 February 2012. [5] On 11 September 2014, the crew announced that series 2 had been delayed due to unforeseen international news events and the recent ISIS actions. [6] They released the series two trailer on the same day. [7] The second series began airing on SBS 2 on 4 January 2015.
Cobalt-60 (60 Co) is a synthetic radioactive isotope of cobalt, with a half-life of 5.27 years, and emits highly penetrating gamma rays. It is commonly used as a radiation source for radiotherapy and equipment sterilization in hospital settings, and also has industrial uses.
The Mutanda Mine (French: Mine de Mutanda) is an open-pit copper and cobalt mine in the Lualaba Province of the Democratic Republic of the Congo (DRC). It is the largest cobalt mine in the world. Accidents and spills at the mine have killed workers and polluted nearby rivers and fields.
This is the list of extremely hazardous substances defined in Section 302 of the U.S. Emergency Planning and Community Right-to-Know Act (42 U.S.C. § 11002).The list can be found as an appendix to 40 CFR 355. [1]
Today, Cosmic Cobalt remains rooted in royalty, as A-list superstars—our modern royals—command runways and red carpets in this flattering shade. In the press, ...
Its name stems from the contained element cobalt, whose name is attributed to the German term Kobold, referring to an "underground spirit" or "goblin". The notion of "bewitched" minerals stems from cobaltite and other cobalt ores withstanding the smelting methods of the medieval period, often producing foul-smelling, poisonous fumes in the process.