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#4546 |
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Other stuff about Beryllium
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#4547 |
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Beryllium is dangerous. It is known to be carcinogenic in humans. Curiously, beryllium tastes sweet but since it is toxic this is not a recommended way to test for the presence of beryllium. There are many safeguards for working with beryllium.
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#4548 |
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Beryllium Disease, or Berylliosis, resembles pneumonia or bronchitis and comes from overexposure to pure beryllium dust in the air. Most people do not develope this disease from exposure to compounds containing Beryllium. Berylliosis occurs in about 6% of people who are exposed to Beryllium. Development of the disease is determined by genetic susceptiblilty. In its early stages, Berylliosis does not require treatment. However, if left unnoticed, it can lead to severely debilitating coughs, shortness of breath and fatigue. In later stages, Beryllosis is treated with prednisone.
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#4549 |
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Beryllium can also be extremely hazardous when it enters the bloodstream. Fragments of Beryllium are highly dangerous in cuts and open sores and cause infection. If the wound heals around the fragment, it may have to be surgically removed.
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#4550 |
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How do you get Beryllium?
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#4551 |
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Since Beryllium is not found in its pure form in nature, several different ways have been devised to isolate it from various compounds. Beryllium can be isolated from beryl through a very long and complicated process involving several stages, which I don't fully understand. It can also be isolated from Beryllium Chloride (BeCL2) via electrolysis, or from Beryllium Flouride (BeFl2) by combination with magnesium.
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#4552 |
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Sources and Further reading
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#4553 |
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National Jewish Medical Center- Facts about Berylliosis
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#4554 |
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Beryllium- Los Alamos Laboratory Periodic Table
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#4555 |
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Beryllium- Hanford Site
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#4556 |
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WebElements- Beryllium Periodic Table- History
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#4557 |
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http://www.wired.com/news/medtech/0,1286,64537,00.html Beryllium is well-known in the metal-manufacturing industry for its strength and light weight. However, effectively protecting workers from beryllium-related illness remains largely a mystery. Government health officials are continuing to search for monitoring and safety standards that will prevent workers from contracting a potentially fatal disease.
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#4558 |
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Because it is lightweight and six times stronger than steel, beryllium is combined with other alloys and ceramics for use in jet fighters, satellites, nuclear weapons, computers, consumer electronics, medical equipment and even golf clubs.
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#4559 |
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"No comparable metal can deliver the same performance and reliability demanded of today's products and systems," according to beryllium-processing company Brush Wellman.
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#4560 |
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But a small percentage of workers exposed to dust or fumes created during the fabrication of products using beryllium develop an allergic reaction to the metal that can cause cancer and chronic beryllium disease, or CBD, a condition that clogs the lungs. The National Institute for Occupational Safety and Health classifies beryllium and beryllium compounds as a potential occupational carcinogen. The disease can affect workers' health in as little as three months, or may take longer than 20 years to develop.
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