78Kr Isotope Information and Examples of Enriched 78Kr Applications:

Krypton-78 isotope (Kr-78 isotope, 78Kr isotope)

  • 78Kr isotope is used for Bromine-75 positron-emitting radionuclide (radioisotope) production (can be used in life science for healthcare and medical applications and pharmaceuticals industries);
  • 78Kr isotope is used for spectral studies;

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78Kr Properties:

Number of Protons78
Atomic Number36
Atomic Radius
Atomic Mass77.92
Quadrupole Moment0
Electronegativity (Paulig)
Electron Configuration Blockp
VDW Radius (mm3)215
Mass Uncertainty5e-06
g-factor (g value)0
Half LifeStable

Krypton Information

Colorless gaseous element, belongs to the noble gases. Occurs in the air, 0.0001% by volume. It can be extracted from liquid air by fractional distillation. Generally not isolated, but used with other inert gases in fluorescent lamps. Five natural isotopes, and five radioactive isotopes. Kr-85, the most stable radioactive isotope, has a half-life of 10.76 years and is produced in fission reactors. Practically inert, though known to form compounds with Fluorine.

Used in lighting products. Some is used as inert filler-gas in incandescent bulbs. Some is mixed with argon in fluorescent lamps. The most important use is in flashing stroboscopic lamps that outline airport runways.

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