pafupi1

Zogulitsa

Praseodymium, 59Pr
Nambala ya atomiki (Z) 59
Gawo pa STP olimba
Malo osungunuka 1208 K (935 °C, 1715 °F)
Malo otentha 3403 K (3130 °C, 5666 °F)
Kuchulukana (pafupi ndi rt) 6.77 g/cm3
pamene madzi (pa mp) 6.50 g/cm3
Kutentha kwa kusakanikirana 6.89 kJ/mol
Kutentha kwa nthunzi 331 kJ/mol
Mphamvu ya kutentha kwa molar 27.20 J/(mol·K)
  • Okisidi ya Praseodymium(III,IV)

    Okisidi ya Praseodymium(III,IV)

    Okisidi ya Praseodymium (III,IV)Ndi chinthu chosapangidwa ndi zinthu zachilengedwe chomwe chili ndi fomula ya Pr6O11 chomwe sichisungunuka m'madzi. Chili ndi kapangidwe ka cubic fluorite. Ndi mtundu wokhazikika kwambiri wa praseodymium oxide pa kutentha ndi kupanikizika. Ndi gwero lokhazikika kwambiri la Praseodymium lomwe silisungunuka bwino lomwe limagwiritsidwa ntchito pagalasi, kuwala ndi ceramic. Praseodymium (III,IV) Oxide nthawi zambiri imakhala High Purity (99.999%) Praseodymium (III,IV) Oxide (Pr2O3) Posachedwapa ikupezeka m'mavoliyumu ambiri. Kuyera kwambiri komanso zinthu zoyera kwambiri zimapangitsa kuti kuwala kukhale kothandiza komanso kothandiza monga momwe sayansi imanenera. Ufa wa nanoscale elemental ndi suspensions, monga njira zina zosinthira malo okwera, zitha kuganiziridwa.