Can You Buy Cobalt Futures?

Cobalt futures can be found on the London Metal Exchange under the symbol CO. These futures began trading in early 2010 and are quoted in US dollars per tonne. Contracts range over a span of 15 months, allowing investors to make bets on the metal over varying time periods. Where Read more…

What Is Cobalt Blue Made Of?

Cobalt blue is a blue pigment made by sintering cobalt(II) oxide with aluminum(III) oxide (alumina) at 1200 °C. Chemically, cobalt blue pigment is cobalt(II) oxide-aluminium oxide, or cobalt(II) aluminate, CoAl2O4. What is a cobalt blue color? Cobalt blue is a vivid, fairly light shade of blue with the hex code Read more…

What Flame Color Is Cobalt?

Silver-white. Common elements Symbol Name Color Ce Cerium Yellow Co Cobalt Silver-white Cr Chromium Silver-white Cs Caesium Blue-violet What is cobalt glass in flame test? Cobalt glass (Co(s)) is a blue glass useful for masking yellow (sodium) emission. This can be especially useful for identifying elements that weakly emit blue Read more…

Where Did Cobalt Blue Originate?

Names for Cobalt blue: Alternative names: Thénards blue, Dresden blue Word origin: The name “Cobalt blue” comes from Middle High German kobolt = an underground goblin (cobalt was thought to be detrimental to silver ores). Non-English names: German French Italian Kobaltblau bleu de cobalt blu cobalto Origin: artificial Is cobalt Read more…

Does Cobalt Blue Have Cobalt In It?

Cobalt blue is a blue pigment made by sintering cobalt(II) oxide with aluminum(III) oxide (alumina) at 1200 °C. Does cobalt blue paint contain cobalt? While in it’s natural, raw state it’s a somewhat burnished silver colour, it is famously known for producing vibrant blues in pigments. The pigments are made Read more…

What Is The Energy Of Cobalt?

Cobalt-60 (60Co) and caesium-137 (137Cs) are the most widely used sources of gamma radiation. Co produces gamma rays with energies of 1.173 and 1.332 MeV and has a half-life of 5.27 years, whereas 137Cs produces gamma rays with an energy of 0.662 MeV and has a longer half-life of 30.1 Read more…

What Makes Cobalt Unique?

It is one of only 3 ferromagnetic transition elements along with iron and nickel. As a metal it is very mechanically hard and tough, and it has a very high melting point (hence the smelting problems) and also remains magnetic to the highest temperature of all the magnetic elements. What Read more…