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Gadolinium

Disguised as a mild-mannered rare earth, gadolinium is the superman of the elements with superhero properties resulting from its half-full electron shell. It is the final member of the light-group rare-earth elements (LREE), which started at lanthanum, and is filled halfway with 7 electrons that are all spinning in the same direction. With this electron configuration it is able to stop neutrons traveling faster than a speeding bullet, is able to bend water molecules with a single molecule, and able to jump plane domain walls in a single bound.

Applications

  • Gadolinium contrast agents are injected into the patient to enhance the clarity of MRI scans.
  • Gadolinium-157 is used in nuclear reactor control rods to control the fission process.
  • Yttrium gadolinium garnet or yttrium gallium garnets (YGG) are used in various electronic components for communications and radar.



  Test  results(%)

Gd/RE

99.9min

RE

99.52

Sm

0.03max

O

0.070

Tb

0.03max

Dy

0.03max

Al

0.009

Ca

0.033

Mg

0.012

Eu

0.03max

Al

0.009

Fe

0.042

Si

0.005max

C

0.015

W

0.019