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  • *data found on a chemicalelements.com website.

Transcript

  • 1. Zirconium
  • 2. What’s in a name?
    Named after the mineral zircon, which originates from the Persian word for gold-like, zagun.
    Pronounced as zer-KO-ni-em.
  • 3. Discovery
    Discovered in 1789 by Martin Klaproth in Germany.
    Discovered while studying the compound jargon (ZiSiO_4_)
    Was first isolated by the Swedish Chemist Jons Jacob Berzelius
    Klaproth
    Berzelius
  • 4. Properties
    40 Protons and Electrons, 51 Neutrons.
    Transition metal
    Grayish element
    Solid at room temperature
    Melting/Freezing point
    1852.0 °C
    Boiling point
    4377.0 °C
    Density at 20 ºC is 6.49 g/cm3
  • 5. Isotopes*
    Isotope
    Half life
    Zr-86
    Zr-88
    Zr-89
    Zr-90
    Zr-91
    Zr-92
    Zr-93(Radioactive)
    Zr-94
    Zr-95
    Zr-96
    Zr-97
    16.5 hours
    83.4 days
    3.27 days
    Stable
    Stable
    Stable
    1530000.0 years
    Stable
    64.02 days
    Stable
    16.9 hours
  • 6. Availability
    Zirconium doesn’t occur in concentrated deposits, but can be found in deposits of the mineral zircon. These deposits can be found in streambeds, ocean beaches, or old lake beds
  • 7. Kroll Process
    Zirconium is obtained through a process known as the Kroll Process.
    Essentially is the reduction of chloride with magnesium.
    This is the way most of the Zirconium in the world is produced.
  • 8. Uses of Zirconium
    Primary uses
    Secondary uses
    Used in research due to its resistance to corrosion.
    This property also allows it to be used in high performance pumps and valves.
    It is also used as an alloying agent in steel
    Photoflash bulbs
    Explosive primers
    Vacuum Tubes
    Lamp filaments
  • 9. More Uses…
    As a carbonate (Zirconium Carbonate), its used to treat poison ivy.
    The most popular form of Zirconium is Zircon(ZrSiO_4_). A form of this is a clear, transparent gemstone ,that can be cut to look like diamond and is frequently used in jewelry.
  • 10. Video
    This link is a video showing most of Zirconium’s major compounds.
    http://www.youtube.com/watch?v=d_qf5zMCvVQ