What are interesting facts about cobalt
What is cobalt used in everyday life?
Currently, the traditional areas of consumption and application of cobalt are mainly battery materials, super heat-resistant alloys, tool steels, hard alloys, magnetic materials; cobalt in the form of compounds is mainly used as catalysts, desiccants, reagents, pigments and dyes.
What is special about cobalt?
A lustrous, silvery-blue metal. It is magnetic. Cobalt, like iron, can be magnetised and so is used to make magnets. … Cobalt metal is sometimes used in electroplating because of its attractive appearance, hardness and resistance to corrosion.
What are 3 things cobalt is used for?
Uses of Cobalt
Cobalt is used in alloys for aircraft engine parts and in alloys with corrosion/wear resistant uses. Cobalt is widely used in batteries and in electroplating. Cobalt salts are used to impart blue and green colors in glass and ceramics. Radioactive 60Co is used in the treatment of cancer.
How cobalt is mined?
There are no significant minerals of cobalt. It is rare and obtained mostly through refining of nickel ore. It is used in superalloys for jet engines, chemicals magnets, and cemented carbides for cutting tools.
Is cobalt rare or common?
Cobalt is a rare element with a frequency in the Earth’s crust of 0,004 percent.
What are 5 uses of cobalt?
Cobalt is also used to make airbags in automobiles; catalysts for the petroleum and chemical industries; cemented carbides (also called hardmetals) and diamond tools; corrosion- and wear-resistant alloys; drying agents for paints, varnishes, and inks; dyes and pigments; ground coats for porcelain enamels; high-speed …
How much cobalt is in the world?
According to the US Geological Survey (USGS), total cobalt reserves worldwide stand at an estimated 7.1 million tonnes, with 140,000 tonnes produced globally in 2020.
Who invented cobalt?
Cobalt/Discoverers
3. Cobalt is the first metal with a recorded discoverer. Swedish chemist Georg Brandt (1694-1768) first isolated it in 1735. His research proved that the blue color came from the Cobalt.
What Colour is cobalt?
blue
Cobalt color is often referred to as elegant and highly saturated shade of blue. Sometimes it is mistaken for cornflower blue, sapphire and indigo. Cobalt HEX code is #19247c, in RAL system it’s 5013. Its name originates in cobalt – a grey-blue colored chemical element in the group of metals.
How much cobalt is left in the world?
As the total global cobalt reserves amount to 7.1 million metric tons, this means that the DR Congo’s cobalt reserves account for nearly half of the world’s reserves of the metal.
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Cobalt reserves worldwide as of 2020, by country (in metric tons)
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Cobalt reserves worldwide as of 2020, by country (in metric tons)
Characteristic | Cobalt reserves in metric tons |
---|---|
– | – |
What was cobalt named after?
goblin
The name cobalt comes from the German word for goblin, “kobold.” Medieval miners considered this element troublesome because its ore released toxic vapors when smelted, according to the U.S. Geological Survey (USGS). Cobalt is an essential trace nutrient for health.
What is another name for cobalt?
What is another word for cobalt?
blue | azure |
---|---|
cobalt blue | cyan |
beryl | blue-gray |
blue-green | Cambridge blue |
lapis lazuli | navy blue |
Is cobalt flammable?
* Cobalt is not combustible when in solid or bulk form. However, finely divided Cobalt is FLAMMABLE and will ignite spontaneously in air. * Use dolomite, sand, soda ash, dry powder or graphite powder for extinguishing a powdered metal fire.
Is cobalt magnetic?
Cobalt is a ferromagnetic metal with a specific gravity of 8.9. The Curie temperature is 1,115 °C (2,039 °F) and the magnetic moment is 1.6–1.7 Bohr magnetons per atom. Cobalt has a relative permeability two-thirds that of iron.
What food is cobalt found in?
Good food sources of cobalt include:
- fish.
- nuts.
- green leafy vegetables, such as broccoli and spinach.
- cereals, such as oats.
Does coffee contain cobalt?
The cobalt content of coffee was found to be considerably higher than that of tea. The content of 5 teas, averaged, was 0,20 μg/g tea and that of 7 coffees was 0,93 μg/g coffee, the average of 3 different methods, each of which averaged 0,75, 0,89 and 1,14 μ/g coffee.
What products is cobalt found in?
Cobalt is commonly used as a binding agent in the manufacture of ‘hard’ metals with increased wear resistance such as drills and cutting tools. It is also found in: Jewellery [see Jewellery allergy] Metal household items (eg, cutlery, zippers, coins, keys,)
Is cobalt a chocolate?
According to the Agency of Toxic Substances and Disease Registry, chocolate is one of the foods that have the highest nickel and cobalt content.
Why is cobalt toxic?
Sometimes, metal particles (cobalt) are released as the metal ball grinds against the metal cup when you walk. These metal particles (ions) can get released into the hip socket and sometimes the bloodstream, causing cobalt toxicity.