When and Where Was Praseodymium Found?

Praseodymium was first identified in 1885, in Vienna, by Austrian scientist Carl Auer von Welsbach. It was discovered in 'didymium' a substance incorrectly said by Carl Mosander to be a new element in 1841.

Where was praseodymium discovered?

Praseodymium was discovered in didymia, a mixture of several rare-earth oxides. From it, by repeated fractional crystallization of ammonium didymium nitrate, Austrian chemist Carl Auer von Welsbach in 1885 separated salts of the elements praseodymium (the green fraction) and neodymium (the pink fraction).

Who found praseodymium?

Praseodymium was discovered by Carl F. Auer von Welsbach, an Austrian chemist, in 1885. He separated praseodymium, as well as the element neodymium, from a material known as didymium.