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Gadolinium (Gd) Metal

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Gadolinium (Gd) Metal
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Additional information

Item Number

ME64
Product Name

Gadolinium (Gd) Metal
CAS Number

7440-54-2
M. F.

Gd
Purity

99%; 99,9% (REM)
Appearance

Silvery lump pieces, ingots, rod, foil, wire, etc.
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Description:

Gadolinium (Gd) is a rare-earth metal with the atomic number 64 and belongs to the lanthanide series. It is a silvery-white, malleable, and ductile metal that exhibits ferromagnetic properties at low temperatures (below 20°C).

Key Features:

  • Atomic Number: 64
  • Atomic Weight: 157.25
  • Melting Point: 1,312°C (2,394°F)
  • Boiling Point: 3,273°C (5,923°F)
  • Magnetic Properties: Strong paramagnetic behavior (used in MRI contrast agents).
  • Neutron Absorption: High neutron capture cross-section (useful in nuclear reactors).

Applications:

Medical Imaging (MRI Contrast Agent)

  • Gadolinium-based contrast agents (GBCAs) enhance magnetic resonance imaging (MRI) by improving visibility of blood vessels, tumors, and inflammation.
  • Examples: Gadopentetate (Magnevist), Gadodiamide (Omniscan).
  • Note: Some GBCAs are linked to nephrogenic systemic fibrosis (NSF) in patients with kidney problems.

Nuclear Reactors

  • Used as a neutron absorber in control rods (e.g., gadolinium oxide) due to its high neutron capture ability.
  • Helps regulate nuclear fission reactions.

Electronics & Magnetics

  • Used in data storage devices, magnets, and superconductors.
  • Gadolinium alloys improve magnetocaloric effect, useful in magnetic refrigeration.

Phosphors & Lighting

  • Gadolinium compounds (e.g., Gd₂O₂S) are used in X-ray screens and green phosphors in CRT displays.

 Research & High-Tech Applications

  • Used in quantum computing research and as a dopant in solid-state lasers.

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