pedyo1

Zvigadzirwa

Praseodymium, 59Pr
Nhamba yeAtomu (Z) 59
Chikamu paSTP yakasimba
Nzvimbo yekunyunguduka 1208 K (935 °C, 1715 °F)
Pokufashaira 3403 K (3130 °C, 5666 °F)
Kuwanda (pedyo ne rt) 6.77 g/cm3
kana mvura (pa mp) 6.50 g/cm3
Kupisa kwekubatana 6.89 kJ/mol
Kupisa kwekupisa kwemhepo 331 kJ/mol
Kukwanisa kupisa kwemamolar 27.20 J/(mol·K)
  • Praseodymium(III,IV) Oxide

    Praseodymium(III,IV) Oxide

    Praseodymium (III,IV) Oxidendiyo inorganic compound ine fomura yePr6O11 isinganyungudike mumvura. Ine chimiro che cubic fluorite. Ndiyo fomu yakagadzikana kwazvo ye praseodymium oxide pakupisa kwekunze uye kumanikidzwa. Ndiyo sosi yePraseodymium isinganyungudike zvakanyanya yakakodzera kushandiswa mumagirazi, optic uye ceramic. Praseodymium (III,IV) Oxide inowanzo kuve High Purity (99.999%) Praseodymium (III,IV) Oxide (Pr2O3) Powder inowanikwa munguva pfupi yapfuura muhuwandu hwakawanda. Kuchena kwakanyanya uye kuchena kwakanyanya zvinovandudza kunaka kwemaziso uye kushanda sezvinodiwa nesainzi. Nanoscale elemental powders uye suspensions, semamwe maitiro enzvimbo yepamusoro, zvinogona kufungwa nezvazvo.