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  • 7440-10-0
  • Pr
  • 99.95%
  • 4 inch dia x 0.125 inch th.etc
  • 231-120-3
Category:

Description

Characteristic

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)