boric oxide


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boric oxide

[¦bȯr·ik ′äk‚sīd]
(inorganic chemistry)
B2O3 A trioxide of boron obtained as rhombic crystals melting at 460°C; used as an intermediate in the production of boron halides and metallic borides and as a thermal neutron absorber in nuclear engineering. Also known as boron oxide.
References in periodicals archive ?
The report segments the market into key products: borax, boric acid and others, which include sodium metaborate, sodium perborate, boric oxide and boron trifluoride.
Commercially important boron compounds such as borax, boric acid, sodium metaborate, sodium perborate, boric oxide and boron trifluoride are derived from boron minerals.
They also contained about 18 percent boric oxide, which demonstrates that boron is usable in copper reds.
2 x %DOT, because boric acid is 56% boric oxide and DOT is 67% boric oxide.
Borosilicate glass is made with the following approximate proportions of ingredients: 70% silica, 10% boric oxide, 8% sodium oxide, 8% potassium oxide, and 1% calcium oxide.
The result is a white cloud, which looks like steam, that consists of boric oxide, boric acid and water vapor.
Canty's published technical specifications indicate that Boro Plus glass contains up to five percent boric oxide (B2O3), in fact the independent test shows that it contains no detectable boric oxide whatsoever, making it indistinguishable from common soda lime glass.
Silica is the main acidic constituent of the more usual glaze frits and, with boric oxide acting in a subsidiary role, is the main glass network-forming oxide.
Warrick, 86, said the basic recipe for Silly Putty is to mix a silicone derivative with boric oxide.
Here there are computer generated examples of high fired, porcelain glazes with increasing amounts of boric oxide.
Air Force officials said pentaborane is highly toxic, but when burned produces boric acid and boric oxide, which they called "relatively benign.