Europium Isotopes

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List of Europium Isotopes and Examples of Enriched Europium Applications:

Europium-151 isotope (Eu-151 isotope, 151Eu isotope)

  • EUROPIUM-151 isotope is used for Europium-152 radionuclide (radioisotope) production (can be used as a reference source for gamma detector calibration);
  • EUROPIUM-151 isotope is used for neutron detection and neutron spectra measurement;

Europium-151 isotope is available to order from BuyIsotope.com Europium-151 oxide chemical form. Please contact us via request a Europium-151 isotope quote BuyIsotope.com to order Europium-151 isotope to get Europium-151 price to buy Europium-151 isotope.

Europium-153 isotope (Eu-153 isotope, 153Eu isotope)

  • EUROPIUM-153 isotope is used for Samarium-153 radionuclide (radioisotope) production (can be used in life science for healthcare and medical applications and pharmaceuticals industries);
  • EUROPIUM-153 isotope is used for Europium-154 radionuclide (radioisotope) production (can be used as a reference source for gamma detector calibration);
  • EUROPIUM-153 isotope is used for studies of relaxation processes in crystals;

Europium-153 isotope is available to order from BuyIsotope.com Europium-153 oxide chemical form. Please contact us via request a Europium-153 isotope quote BuyIsotope.com to order Europium-153 isotope to get Europium-153 price to buy Europium-153 isotope.

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Europium oxide Safety Data Sheet (SDS) - Download pdf file
Download Europium oxide SDS

Properties Of Europium Isotopes:

PropertyEUROPIUM-151EUROPIUM-153
Neutron Number (N)8890
Atomic Number / Proton Number (Z)6363
Mass Number / Nucleon Number (A)151153
Natural Abundance (%)0.47810.5219
Atomic Mass (Da)150.91986152.92124
Relative Isotopic Mass150.91986152.92124
Spin2.52.5
Quadrupole Moment0.9032.41
g-factor (g value)1.38870.6134
Half-life
Group
Period66
Electron Configuration Blockff
Melting Point (K)10951095
Boiling Point (K)18701870
Specific Heat0.1760.176
Heat of Formation177.4177.4
Thermal Conductivity13.913.9
Dipole Polarizability 184184
Electron Affinity (kJ/mole)0.8640.864
Electronegativity (Pauling scale)
Atomic Radius (pm)199199
Covalent Radius (pm)185185
VDW Radius (pm)294294
Lattice Constant4.614.61
Crystal StructureBCCBCC
Jmol color#61ffc7#61ffc7

Europium Information

Soft silvery metallic element belonging to the lanthanoids. Eu-151 and Eu-153 are the only two stable isotopes, both of which are Neutron absorbers. Discovered in 1889 by Sir William Crookes.

Used with yttrium oxide to make red phosphors for color televisions.

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