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- Praseodymium is a rare
earth metal from the group of light rare earth element that has the
atomic number 59 and symbol Pr.
- Praseodymium is a
soft, malleable, ductile, silvery metal and it is one of the
lanthanide rare earth metals.
- It can be prepared by
several methods, such as by calcium reduction of the anhydrous
chloride of fluoride and It is reacts with water to form
praseodymium hydroxide plus hydrogen gas.
- It is not found free
in nature but is found in a number of minerals mainly monazite and
- It has 32 isotopes
whose half-lives are known, with mass numbers 121 to 154. naturally
occurring praseodymium consists of its one stable isotope, 141Pr.
- It is used in the core
of high-intensity carbon arc lights used by the film industry and in
floodlighting and it salts also used to color glasses and
- It has an atomic mass
of 140.90765 amu & the melting point for praseodymium is 935°C with
a boiling point of 3127°celsius.
- One of the primary
uses of praseodymium though is an alloying agent with magnesium that
creates a high strength metal which is used in aircraft engines.
- Praseodymium and such
products always in demand will mean that praseodymium will be a
popular rare earth metal investment of low risk.
- The best way of
preserving praseodymium is in sealed glass or in light mineral oil.
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