pitchblende

pitchblende Chemische Eigenschaften,Einsatz,Produktion Methoden

• Physikalische Eigenschaften

  Habit: amorphous botryoidal mass.
  Color: black.
  Luster: submetallic. Contains up to 20 wt.% PbO from decaying.

• Verwenden

  Source of uranium and radium.

• Definition

  A natural phosphide of uranium usually partly oxidized to UO3 with variable amounts of lead, radium, thorium, rare-earth metals, helium, argon, nitrogen. Pitchblende is an important variety. It occurs in Colorado, Utah, South Africa, Canada, Europe, the former U.S.S.R., Australia, Zaire.

• Definition

  A black mineral consisting mostly of uranium( VI) oxide, UO₃. It is the chief ore of uranium and radium.

• Definition

  uraninite: A mineral form of uranium(IV) oxide, containing minuteamounts of radium, thorium, polonium,lead, and helium. When uraniniteoccurs in a massive form with apitchy lustre it is known as pitchblende,the chief ore of uranium.Uraninite occurs in Saxony (Germany),Romania, Norway, the UK(Cornwall), E Africa (Democratic Republicof Congo), USA, and Canada(Great Bear Lake).

1317-99-3, pitchblende Verwandte Suche: