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Tb
Terbium
Atomic no.:
65
Atom. weight: 158.92534
Density: 8.253
Class:
Rare earth metal
Melting point: 1356°C
Boiling point: 3230°C
Colour: Array
   
Discoverer: Carl Gustav Mosander
Place: Stockholm, Sweden
Year: 1843

Terbium was discovered in 1843 by C.G. Mosander in Stockholm and was named after the Swedish town of Ytterby. A lanthanide group metal, it is soft, malleable and ductile. Terbium has an abundance of 1.1 ppm in the earth's crust and is found in minerals in combination with other lanthanide group elements. It is slowly oxidized in air, the rate of the reaction being increased if terbium powder is used. Terbium reacts slowly with cold water. Terbium is used in the semiconductor industry as a dopant.

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 Terbium 3+ doped glass bead NEW!  Art. Nr. 004856  
Terbium 3+  doped glass bead NEW!
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glass bead doped with 5% Terbium oxide - NEW!

diameter ~ 13 mm - ~ 1.2 - 1.5 grams

Nice glass bead. Each one hand crafted. Under UV excitation the glass shows strong fluorescence with a peak @ 541nm and 546nm

  • White at normal light
  • light green under ultraviolet light (money checker etc.)

Please do not use common UV LEDs, they produce wavelengths above 390 nm and are not suitable! Blacklight tubes work best! The UV lamp used for the photos has a wavelength of 365nm

 

Amount: 1 St. / 1 pc.
Purity : --
Packing: PE foil
30.00
- tax free
5-9 pcs.: 29.00 Euro
>9 pcs.: 27.00 Euro
Availability: 43 in stock

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