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Praseodymium Metal and Its Applications

Praseodymium(Pr) is the one of rare earth metals with atomic number 59. Praseodymium is a soft, silvery, malleable and ductile metal valued for its magnetic, electrical, chemical and optical properties. Due to praseodymium high potential reactiveness it is very hard to find a pure praseodymium metal in nature. It slowly develops a green oxide coating. Praseodymium was found by separating didymium into two different elements, which one of them was praseodymium and other was neodymium, in 1885 by the Austrian chemist Baron Carl Auer von Welsbach. The name praseodymium comes from the Greek prasinos meaning “green” and didymos “twin”. Praseodymium is stable only in aqueous solution with the 3+ oxidation state. Aqueous praseodymium ions are yellowish-green. Large amounts of praseodymium are found in monazite and bastnasite minerals. Praseodymium could be isolated by ion exchange and solvent extraction and through calcium reduction of anhydrous chloride or fluoride. The very first use of praseodymium was glass coloration yielding a yellow-green glass. The first enduring commercial use of purified is in the form of a yellow-orange stain for ceramics.
Praseodymium is used to create high-power magnets notable for their strength and durability
Praseodymium is used as an alloying agent with magnesium to create high strength metals that are used in aircrafts engines
Praseodymium fluoride forms the core of carbon arc lights, which are used in the motion picture industry for studio lighting and projector lights
Praseodymium is used to color ceramics yellow
Praseodymium as component of didymium glass is used to make certain types of welder’s and glass blower’s goggles
Praseodymium compounds give glasses and enamels yellow color
Praseodymium oxide is used as catalyst in solid solution with ceria or ceria-zirconia
Doping praseodymium in fluoride glasses allows it to be used as a single mode fiber optical amplifier
Flame lighters flints use misch metal containing praseodymium to produce sparks by friction
Praseodymium is used in nickel metal hydride rechargeable batteries for hybrid automobiles
Praseodymium is used in high-intensity permanent magnets, which are essential in electric motors and generators used in hybrid cars and wind turbines
https://nanografi.com/nanoparticles/pr6o11-praseodymium-oxide-nanoparticles-13-57nm-purity-99-99/

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