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Tm ( Thulium )

Keterangan

       Thulium tarnishes in air and reacts with water. It is soft, malleable and ductile, and can be cut with a knife.

Nama lain (trademark, branding etc.)

Thulium, Tulij, Thulium - s, Túlio, Тулий, Tulium

Spesifikasi Produk

Overview of Thulium Atomic Number 69 Period 6 Series Lanthanides Relative Atomic Mass (12C=12.000)  168.93 Boiling Point:  2220K 1947°C 3537°F Melting Point:  1818K 1545°C 2813°F Density/kg m-3  9321 (293K) Ground State Electron Configuration  [Xe]4f136s2 Electron Affinity(M-M-)/kJ mol-1  -50 Discoverer P.T. Cleve  Discovery Location Uppsala, Sweden. Discovery Year:  1879 Name Origin: From Thule, the ancient name of Scandinavia.

Aplikasi

       Radioactive thulium is used to power portable x-ray machines, eliminating the need for electrical equipment.

Bahan Baku

Thulium is a chemical element that has the symbol Tm and atomic number 69. It is the thirteenth and antepenultimate element in the lanthanide series. Like the other lanthanides, the most common oxidation state is +3, seen in its oxide, halides and other compounds. In aqueous solution, like compounds of other late lanthanides, soluble thulium compounds form complexes with nine water molecules.

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Produk terkait

  • THULIUM
    Because of the relatively high price of the metal, thulium has not yet found many practical applications. 169Tm bombarded in a nuclear reactor can be used as a radiation source in portable X-ray equipment. 171Tm is potentially useful as an energy source. Natural thulium also has possible use in ferrites (ceramic magnetic materials) used in microwave equipment, and can be used for doping fiber lasers. As with other lanthanides, thulium has a low-to-moderate acute toxic rating. It should be handled with care.
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