Lutetium metal 99.9%, rare earth metal

Lutetium metal 99.9%, rare earth metal

Buy now high purity lutenium metal with min 99.5% purity

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

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buy 99,5% lutenium

price lutenium 1kg 2799 euro

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- Purity: min.: 99,5%

The silver-gray metal is very soft, easily ductile and malleable. In dry air lutetium is quite stable, in humid air it tarnishes gray. At higher temperatures it burns to the sesquioxide Lu2O3. With water it reacts very slowly with hydrogen evolution to hydroxide. In mineral acids it dissolves to form hydrogen. In its compounds, it is present in the +3 oxidation state, and the Lu3+ cations form colorless solutions in water.

AREAS OF APPLICATION

Lutetium is mainly processed in oxide form. It is used by industry as an additive in the production of phosphors and safety inks. The oxide is also used in laser technology and in the production of scintillator crystals. Other industrial applications include the production of mixed oxides and other organic oxides. Lutetium is used in scintillator crystals for positron emission tomography. One of the most prominent examples is cerium-doped lutetium oxyorthosilicate (LSO). The radionuclide 177Lu can be used as a therapy against neuroendocrine tumors. No biological function has yet been found for lutetium. Lutetium and lutetium compounds are slightly toxic. The metal dusts are flammable and explosive, like many others.

Extraction

After a complex separation of the other lutetium companions, the oxide is reacted with hydrogen fluoride to form lutetium fluoride. This is then reduced with calcium to form calcium fluoride to metallic lutetium. Remaining calcium residues and impurities are separated in an additional remelting in vacuum.

Lutetium is a chemical element with the element symbol Lu and the atomic number 71. In the periodic table, it is in the lanthanide group and thus also belongs to the rare earth metals. Lutetium was discovered in 1905 by three scientists independently of each other: Carl Auer von Welsbach, Charles James and the Frenchman Georges Urbain, who named it after the Roman name of Paris, Lutetia. In the German-speaking world, it was usually referred to as cassiopeium (chemical symbol Cp) until 1949. In nature, lutetium occurs only in compounds. Minerals containing lutetium in low concentrations are: Monazite (Ce,La,Th,Nd,Y)PO4 (Lu content < 0.01 %).

Symbol: Lu

Electron configuration: [Xe] 4f145d16s2

Atomic number: 71

Atomic mass: 174.967 u

Date of discovery: 1907

Melting point: 1,663 °C

CAS number: 7439-94-3