Praseodymium Metal (Pr)-Powder introduce:
Praseodymium is a chemical element with the symbol Pr and atomic number 59. It is the third member of the lanthanide series and is traditionally considered to be one of the rare-earth metals. Praseodymium is a soft, silvery, malleable and ductile metal, valued for its magnetic, electrical, chemical, and optical properties.
Phase at STP： solid
Melting point： 1208 K (935 °C, 1715 °F)
Boiling point： 3403 K (3130 °C, 5666 °F)
Density (near r.t.)： 6.77 g/cm3
when liquid (at m.p.)： 6.50 g/cm3
Heat of fusion： 6.89 kJ/mol
Heat of vaporization： 331 kJ/mol
Molar heat capacity： 27.20 J/(mol·K)
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