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Gd
Gadolinium
Atomic no.:
64
Atom. weight: 157.25
Density: 7.895
Class:
Rare earth metal
Melting point: 1312°C
Boiling point: 3273°C
Colour: Array
   
Discoverer: Jean-Charles Gallissard
Place: Genf, Switzerland
Year: 1880

Discovered in 1880 by J.C. Galissard in Geneva, Switzerland, and isolated by P.E. Lecoq de Boisbaudran in 1886 in Paris, France. Gadolinium is a member of the lanthanide group of elements, and is obtained from the same sources as europium (its abundance in the Earth's crust is 7.7 ppm). It is a silvery white metal which is ductile and malleable. It is stable in a dry atmosphere but forms an oxide coating when exposed to moist air. It reacts slowly with water and is soluble in acids. Gadolinium has limited uses as a pure metal, but when alloyed with chromium, iron or similar metals, the resulting alloys have improved workability and corrosion resistance. Due to its magnetic properties, gadolinium is used in the manufacture of magnets, recording heads and electrical components.

Source: ©Goodfellow.com

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 Complete high pure Rare Earth Set in acrylic showcase!  Art. Nr. 001448  
Complete high pure Rare Earth Set in acrylic showcase!
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Complete Acrylic Rare Earth Set incl. modern Acrylic case- New design!

We are proud to offer the new and re-designed Rare Earth Set totally in acrylic design. Plain and functional with cool design which puts the valuable exhibits in perspective. The cover is mounted by four neodymium magnets, so that the it can be easily removed.

All Rare Earth Metals (Lanthanum, Cerium, Praseodymium, Neodymium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium, Lutetium, Scandium und Yttrium) sealed in our lab in attraktive 11mm wide ampoules under high purity 99.999% Argon.

Metals like Europium, Cerium and Lanthanum are filled under special and extremely dry conditions in a glove box to keep the metal as shiny as possible.

Purities of the metals are:
99,9% for La, Ce, Pr, Nd
99.95% for Dy, Tb, Gd, Er, Ho
99,99% for Sm,Eu, Y, Lu
99,993% for Tm, Yb
99,999% for Sc

 

Size Ampoules: 10-11mm Diameter, 45 – 48mm long.

Size Case: 21.7 x 7.0 x 2.2cm

Text printed in black and silver

 

As professional producer and seller of chemical element samples for science and education we are able to offer you:
  • Surfaces are mechanically cleaned and oxidations removed
  • We do not fill any crumbs, filings or other low value material but ONLY carefully hand-selected pieces!
  • glass-ampoules are carefully cleaned and dried by a special process for several hours to remove even the slightest traces of humidity to make the samples last a life-long.
  • We use shatter-proof tempered glass, which are able to survive a 1 meter drop on a tiled floor.
  • Some elements like Europium, Lanthanum and Cerium are handled and filled under very dry and oxygen free atmosphere in a glove-box to keep the surface as shiny as possible.
  • lifelong warranty on breakage - should an ampoule break accidentally we replace it for free!

Amount: 1 Set
Purity : 3N - 5N
Packing: ampoules /Argon
388.00
- tax free
5-9 pcs.: 369.00 Euro
>9 pcs.: 350.00 Euro
Availability: 28 in stock

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