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1 day ago · Learn about the properties and applications of boron, a metalloid element that is important for plants and the nuclear industry. Find out how boron is used in fiberglass, borosilicate glass, boron fiber, and more.
- Black brown
- 2.08 g/cm3 at the melting point
- 10.81±0.02
- 2349K or?2076°C
Properties, occurrence, and uses. Pure crystalline boron is a black, lustrous semiconductor; i.e., it conducts electricity like a metal at high temperatures and is almost an insulator at low temperatures. It is hard enough (9.3 on Mohs scale) to scratch some abrasives, such as carborundum, but too brittle for use in tools.
- The Editors of Encyclopaedia Britannica
Boron fibers are used in lightweight composite applications, such as high strength tapes. This use is a very small fraction of total boron use. Boron is introduced into semiconductors as boron compounds, by ion implantation. Estimated global consumption of boron (almost entirely as boron compounds) was about 4 million tonnes of B 2 O 3 in 2012.
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Aug 27, 2024 · Boron is a naturally occurring element found in foods and available as a supplement. It's thought to have benefits such as improving athletic performance, boosting bone health, preventing cancer, treating yeast infections, and reducing symptoms of osteoarthritis. However, evidence for the benefits of boron is either mixed or limited.
Uses. Amorphous boron is used as a rocket fuel igniter and in pyrotechnic flares. It gives the flares a distinctive green colour. The most important compounds of boron are boric (or boracic) acid, borax (sodium borate) and boric oxide. These can be found in eye drops, mild antiseptics, washing powders and tile glazes.
Vegetarians tend to have higher intakes of boron than nonvegetarians because boron is plentiful in plant foods [15]. The median dietary boron intake in lactating women is 1.27 mg/day [2]. Boron intakes are about 0.55 mg/day among infants and about 0.54 mg/day among toddlers [6].
Nov 5, 2014 · Just the facts. According to Jefferson Lab, the properties of boron are: Atomic number (number of protons in the nucleus): 5. Atomic symbol (on the Periodic Table of Elements): B. Atomic weight ...
