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beryllium oxide

   Also found in: Wikipedia 0.04 sec.
beryllium oxide [bə′ril·ē·əm ′äk‚sīd]
(inorganic chemistry)
BeO An amorphous white powder, insoluble in water; used to make beryllium salts and as a refractory. Also known as beryllia.


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Key statement: A heat transfer material comprised of a polymeric material, aluminum nitride, boron nitride, silicon nitride, aluminum oxide or beryllium oxide.
Unfortunately, beryllium in the form of beryllium oxide is highly toxic, and this fact greatly constrains its use, especially if the planchet surface must be polished produce a flat surface with the inevitable possibility of contamination of the laboratory.
is already trying a somewhat different approach: shining laser light on a beryllium oxide surface in a helium atmosphere.
 
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