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Gadolinium

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Gadolinium (Gd) Metal

HTRE859

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Gadolinium (Gd) Metal becomes superconductive below 1.083 K, which is applied in petroleum and environment protection catalysts, mischmetal, polishing powders, and Rare Earth fertilizers. Heeger Materials (HM) provides the best Gadolinium (Gd) Metal at high quality and competitive prices. Customized purity and particle size are available.

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Data sheet

Molecular FormulaGd
Molecular Weight157.25
Purity99.99%D/99.99%/99.9%/99%
CAS7440-54-2
SynonymsGadoliniumMetall/Metal De Gadolinium/Metal Del Gadolinio

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Gadolinium (Gd) Metal is a rare earth metal with the symbol Gd and atomic number 64. It is a silvery-white, malleable, and ductile metal that belongs to the lanthanide series of elements. It does not tarnish in dry air but an oxide film forms in moist air. It is strongly magnetic at room temperature. HM stocks a wide variety of rare earth materials for use in electronics, petrochemicals, metallurgy, machinery, energy, environmental protection, agriculture, and other fields. We also offer pure metals and compounds for R&D applications.

Gadolinium (Gd) Metal

  • CAS: 7440-54-2
  • EINECS No.: 231-162-2
  • Melting point: 1585 K (1312 °C, 2394 °F)
  • Boiling point: 3273 K (3000 °C, 5432 °F)
  • Density (near r.t.): 7.90 g/cm3
  • when liquid (at m.p.): 7.4 g/cm3
  • The heat of fusion: 10.05 kJ/mol
  • The heat of vaporization: 301.3 kJ/mol
  • Molar heat capacity: 37.03 J/(mol·K)

Gadolinium (Gd) Metal Specifications

Grade99.99%D99.99%99.9%99%
CHEMICAL COMPOSITION
Gd/TREM (% min.)99.9999.9999.999
TREM (% min.)99.999.59999
Rare Earth Impuritiesppm max.ppm max.% max.% max.
Sm/TREM
Eu/TREM
Tb/TREM
Dy/TREM
Ho/TREM
Er/TREM
Tm/TREM
Yb/TREM
Lu/TREM
Y/TREM		30
5
50
50
5
5
5
5
5
10		30
10
50
50
5
5
5
5
30
50		0.01
0.01
0.08
0.03
0.02
0.005
0.005
0.02
0.002
0.03		0.1
0.1
0.05
0.05
0.05
0.03
0.1
0.05
0.05
0.3
Non-Rare Earth Impuritiesppm max.ppm max.% max.% max.
Fe
Si
Ca
Al
Mg
O
C		50
50
50
50
30
200
100		500
100
500
100
100
1000
100		0.1
0.01
0.1
0.01
0.01
0.15
0.01		0.15
0.02
0.15
0.01
0.01
0.25
0.03

Gadolinium (Gd) Metal Applications

  • Used for shielding in neutron radiography and nuclear reactors.
  • Used as phosphors in various applications.
  • Used for making specialty alloys, MRI (Magnetic Resonance Imaging), superconductive materials, and magnetic refrigerators.
  • Used in nuclear marine propulsion systems as a burnable poison.
  • Used for making Gadolinium Yttrium Garnet (Gd: Y3Al5O12).
  • Used in microwave applications.
  • Used in the fabrication of various optical components.
  • Used as substrate material for magneto-optical films.

Gadolinium (Gd) Metal Packing

Gadolinium (Gd) Metal products are all vacuum-sealed independently. The small-sized products are packaged in cartons and large-sized products are packaged in wooden boxes. The package is 100g/bag, 500g/bag, 25kg/box, or as required.

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