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Alaabta

Praseodymium, 59Pr
Lambarka atomiga (Z) 59
Marxaladda STP adag
barta dhalaalaysa 1208 K (935 °C, 1715 °F)
Barta karkarinta 3403 K (3130 °C, 5666 °F)
Cufnaanta (rt u dhow) 6.77 g/cm3
marka dareere ah (at mp) 6.50 g/cm3
Kulaylka fiyuuska 6.89 kJ/mol
Kulaylka uumiga 331 kJ/mol
Awoodda kulaylka molar 27.20 J/ (mol·K)
  • Praseodymium(III,IV) oxide

    Praseodymium(III,IV) oxide

    Praseodymium (III,IV) oxidewaa isku-darka aan noolaha lahayn ee leh qaacidada Pr6O11 ee aan biyaha lagu milmi karin.Waxay leedahay qaab-dhismeedka fluorite cubic.Waa qaabka ugu xasiloon ee praseodymium oxide heerkulka deegaanka iyo cadaadiska.Waa il Praseodymium heerkul ah oo aad u aan milmi karin oo ku habboon codsiyada muraayadaha, indhaha iyo dhoobada.Praseodymium(III,IV) Oxide guud ahaan waa daahir sareeya (99.999%) Praseodymium(III,IV) Oxide (Pr2O3) budada beryahan danbe waxaa laga heli karaa qiyaaso badan.Nadiifinta sare ee aadka u sareysa iyo iskudhafyada nadiifinta sare waxay hagaajiyaan tayada indhaha iyo waxtarka labadaba heerarka sayniska.Budada asaasiga ah ee Nanoscale iyo ganaaxyada, sida foomamka bedka sare ee beddelka ah, ayaa laga yaabaa in la tixgeliyo.