1kg Ytterbium metal 99.99%, rare earth metal

Buy now high purity ytterbium metal with min 99.9% purity

Ytterbium metal is a rare earth metal. With us you get the best price for 1kg Ytterbium metal.

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price ytterbium 1kg 699 euro

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- Purity: min.: 99,9%

- Quantity: 1kg

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The silvery-white shiny metal is very ductile and soft. It forms three allotropic modifications with transformation points at -13 °C and 795 °C. At room temperature, β-ytterbium forms a face-centered cubic lattice; at higher temperatures, it forms a body-centered cubic lattice. At a pressure of 16,000 bar, β-Yb exhibits semiconducting properties in terms of electrical conductivity. In dry air, ytterbium tarnishes to gray. At higher temperatures it burns to the sesquioxide Yb2O3. It reacts slowly with water, evolving hydrogen, to form hydroxide. In mineral acids it dissolves to form hydrogen. In its compounds it is usually present in the oxidation number +3, the Yb3+ cations form colorless solutions in water, Yb2+ cations green solutions.

Application

Ytterbium can be used for grain refinement and to improve the mechanical properties of stainless steels. The radioactive isotope 169Yb (half-life 32 days) is occasionally used as a γ-ray source in nuclear medicine. Ytterbium-cobalt-iron-manganese alloys are suitable for particularly high-quality permanent magnets. Ytterbium-doped crystals (primarily Yb:YAG) are used as gain material in lasers. Ytterbium is not very toxic. Metal dusts are flammable and explosive.

Extraction

After a complex separation of the other ytterbium companions, the oxide is reduced with lanthanum to the metallic ytterbium. Subsequently, the ytterbium is sublimed.

Ytterbium [ʏˈtɛrbiʊm] is a chemical element with the element symbol Yb and the atomic number 70. In the periodic table it is in the lanthanide group and thus also belongs to the rare earth metals. Ytterbium is named after the first place where it was found, the Ytterby mine near Stockholm, as are yttrium, terbium and erbium. Ytterbium (derived from Ytterby, a pit on an archipelago island north of Stockholm, which was also the inspiration for the names of the elements yttrium, terbium and erbium) was discovered in 1878 by the Swiss chemist Jean Charles Galissard de Marignac. Marignac found a new component in the earth known as Erbia and named it Ytterbia. He suspected a new element in the compound he isolated, which he named ytterbium. In 1907, French chemist Georges Urbain Marignac separated ytterbia into two components, neoytterbia and lutetia. Carl Auer von Welsbach also worked with ytterbia at the same time and named the two components aldebaranium and cassiopeium. Later the element name neoytterbium was shortened to ytterbium. The pure metal was prepared by Klemm and Bonner in 1937 by the reduction of YbF3 with potassium. The determination of the physical and chemical properties of the element ytterbium could not be done until 1953 after the pure metal had been prepared.

Symbol: Yb

Atomic number: 70

Electron configuration: [Xe] 4f146s2

Atomic mass: 173.04 u

Electrons per shell: 2,8,18,32,8,2

Melting point: 819 °C

Cas: 7440-64-4