91Zr Isotope Information and Examples of Enriched 91Zr Applications:

Zirconium-91 isotope (Zr-91 isotope, 91Zr isotope)

  • 91Zr isotope is used for studies of material structures through electron paramagnetic resonance (EPR);

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91Zr Properties:

Number of Protons91
Atomic Number40
Atomic Radius160
Atomic Mass90.91
Quadrupole Moment-0.176
Electronegativity (Paulig)1.33
Electron Configuration Blockd
VDW Radius (mm3)254
Mass Uncertainty2e-05
g-factor (g value)-0.5214
Half LifeStable

Zirconium Information

Grey-white metallic transition element. Five natural isotopes and six radioactive isotopes are known. Used in nuclear reactors for a Neutron absorber. Discovered in 1789 by Martin Klaproth, isolated in 1824 by Berzelius.

Used in alloys such as zircaloy which is used in nuclear applications since it does not readily absorb neutrons. Also baddeleyite is used in lab crucibles. Used in high-performance pumps and valves. Clear zircon (ZrSiO4) is a popular gemstone.

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