Lanthanum metal density cube 10x10x10mm - unique sample Element collection for Sale

Lanthanum metal density cube 10x10x10mm - unique sample Element collection For Sale

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Lanthanum metal density cube 10x10x10mm - unique sample Element collection:
$169.00

Shiny Lanthanum metal high precision density-standard cube 1cm3sealed unter Argon in an ampoule.
purity 99.9% - 6.12 grams
Without argon this cube would turn black within a few minutes.
Using finest materials, each density cube was lapped to 10x10x10mmby a mechanical engineering company with an accuracy of0.01 millimeter.Eachoneseparately ground and polisheditrepresents the theoretical density of the respective element by its weight. The weight is not affected by the laser inscription. Information such as element symbol, name and density is durable burned at the surface. Each element even shows its specific characteristis in colour and reaction with the laser. Altogether 25 elements are planned in a complete set in a wooden case.Here you find pictures and the complete description of the set!

Lanthanum density cube - YouTube

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[isdntekvideo]Cerium was discovered in 1803 by J.J. Berzelius and W. Hisinger at Vestmanland, Sweden. However, it was first isolated by W.F. Hillebrand and T.H. Norton in 1875 in Washington DC, USA.Cerium is a reactive grey metal and is one of the most abundant of the lanthanide group of metals, having an abundance of 68 ppm within the Earth's crust. It oxidises in air, ignites when heated and reacts rapidly in water and, hence, it must be stored in an air free enviroment. Cerium can be used as an alloying element with iron and other constituents to produce a flint material used in automatic ignition devices, and the addition of cerium to some metal alloys greatly improves their heat resistance. Cerium can also be used in vacuum apparatus as a "getter" for noble gases.Source: ©Goodfellow.com

scope of deliveryYou get one Lanthanum high precision density-standard cube 1cm3

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