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#5641 |
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Inhalation of airborne beryllium may cause a serious lung disorder in susceptible individuals.
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The Occupational Safety and Health Administration (OSHA) has set mandatory limits on occupational respiratory exposures. Read and follow the guidance in the Material Safety Data Sheet (MSDS) before working with this material. For additional information on safe handling practices or technical data on beryllium contact Brush Wellman Inc. - Electrofusion Products.
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#5643 |
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Beryllium (IPA: /bəˈrɪliəm/)
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#5644 |
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Be
Beryllium |
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#5645 |
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Although emeralds and beryl were known to ancient civilizations, they were first recognized as the same mineral (Be3Al2(SiO3)6) by Abbé Haüy in 1798. Later that year, Louis-Nicholas Vauquelin, a French chemist, discovered that an unknown element was present in emeralds and beryl. Attempts to isolate the new element finally succeeded in 1828 when two chemists, Friedrich Wölhler of Germany and A. Bussy of France, independently produced beryllium by reducing beryllium chloride (BeCl2) with potassium in a platinum crucible. Today, beryllium is primarily obtained from the minerals beryl (Be3Al2(SiO3)6) and bertrandite (4BeO·2SiO2·H2O) through a chemical process or through the electrolysis of a mixture of molten beryllium
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#5646 |
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Beryllium is relatively transparent to X-rays and is used to make windows for X-ray tubes.
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Beryllium is also used as a moderator in nuclear reactors
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Beryllium is alloyed with copper (2% beryllium, 98% copper) to form a wear resistant material, known as beryllium bronze,
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used in gyroscopes and other devices where wear resistance is important. Beryllium is alloyed with nickel (2% beryllium, 98% nickel) to make springs, spot-welding electrodes and non-sparking tools.
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Other beryllium alloys are used in the windshield, brake disks and other structural components of the space shuttle.
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#5651 |
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Beryllium oxide (BeO), a compound of beryllium, is used in the nuclear industry and in ceramics.
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#5652 |
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Beryllium was once known as glucinum, which means sweet, since beryllium and many of its compounds have a sugary taste.
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#5653 |
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Unfortunately for the chemists that discovered this particular property, beryllium and many of its compounds are poisonous and should never be tasted or ingested.
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#5654 |
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Beryllium, symbol Be, gray, brittle metallic element, with an atomic number of 4. It is in group 2 (or IIa) of the periodic table (see Periodic Law).
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#5655 |
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Beryllium was named for its chief mineral, beryl, an aluminum beryllium silicate.
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