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Dy ( Dysprosium )


 Dysprosium is relatively stable in air at room temperature, and is readily attacked by acids. It is soft enough to be cut with a knife.    


Nama lain (trademark, branding etc.)

 Dysprosium, Dysprosium, Disprozij, Dysprosium -s, Disprosio, Диспроэий, 

Spesifikasi Produk

Overview of Dysprosium Atomic Number 66 Period 6 Series Lanthanides Relative Atomic Mass (12C=12.000)  162.5 Boiling Point:  2835K 2562°C 4644°F Melting Point:  1685K 1412°C 2574°F Density/kg m-3  8550 (293K) Ground State Electron Configuration  [Xe]4f106s2 Electron Affinity(M-M-)/kJ mol-1  not available Discoverer P.-E. Lecoq de Boisbaudran  Discovery Location Paris, France. Discovery Year 1886 Name Origin Greek: dysprositos (hard to get at).


Dysprosium has not yet found many applications. However, it has a high thermal neutron absorption cross-section and a high melting point, and so it may be useful in nuclear control alloys. A dysprosium oxide-nickel cement is used in nuclear reactor control rods, and has the property of absorbing neutrons readily without swelling or contracting under prolonged neutron bombardment.

Bahan Baku

Dysprosium is a chemical element with the symbol Dy and atomic number 66. It is a rare earth element with a metallic silver luster. Dysprosium is never found in nature as a free element, though it is found in various minerals, such as xenotime.

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Produk terkait

    Dysprosium metal is typically prepared by calciothermic reduction of the trihalide, typically DyF3. Although its melting point is similar to Y, Gd, Tb, and Lu, its vapor pressure at the melting point is much higher. This makes purification of Dy, and similar elements Sc, Ho, and Er with high vapor pressures, comparatively easy. Common interstitial impurities which form stable compounds with nitrogen, carbon, and oxygen remain in the residue when the metal is sublimed at 1175 °C at a slow rate.1 Dysprosium metal is formed when the fluoride preferentially separates from dysprosium fluoride at high-temperature and combines with calcium metal forming calcium fluoride and deposits a high-purity dysprosium metal.
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