177Hf Isotope Information and Examples of Enriched 177Hf Applications:

Hafnium-177 isotope (Hf-177 isotope, 177Hf isotope)

  • 177Hf isotope is used for gamma ray spectrometry;

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177Hf Properties:

Number of Protons177
Atomic Number72
Atomic Radius167
Atomic Mass176.9
Quadrupole Moment3.37
Electronegativity (Paulig)1.3
Electron Configuration Blockd
VDW Radius (mm3)253
Mass Uncertainty2e-05
g-factor (g value)0.2267
Half LifeStable

Hafnium Information

Silvery lustrous metallic transition element. Used in tungsten alloys in filaments and electrodes, also acts as a neutron absorber. First reported by Urbain in 1911, existence was finally established in 1923 by D. Coster, G.C. de Hevesy in 1923.

Used in reactor control rods because of its ability to absorb neutrons.

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