benear1

Badeecadaha

Praseodymium, 59Pr
Lambarka atamka (Z) 59
Marxaladda STP adag
Barta dhalaalaysa 1208 K (935 °C, 1715 °F)
Barta karkarinta 3403 K (3130 °C, 5666 °F)
Cufnaanta (ku dhow rt) 6.77 g/cm3
marka dareere (mp) 6.50 g/cm3
Kulaylka isku-dhafka 6.89 kJ/mol
Kulaylka uumiga 331 kJ/mol
Awoodda kulaylka molar-ka 27.20 J/(mol·K)
  • Praseodymium(III, IV) Oksaydh

    Praseodymium(III, IV) Oksaydh

    Praseodymium (III, IV) Oksaydhwaa isku-darka aan dabiiciga ahayn ee leh qaacidada Pr6O11 kaas oo aan ku milmi karin biyaha. Waxay leedahay qaab-dhismeed fluorite ah oo cubic ah. Waa qaabka ugu xasilloon ee praseodymium oxide heerkulka iyo cadaadiska deegaanka. Waa isha Praseodymium ee kuleylka oo aad u milmi karta oo ku habboon codsiyada galaaska, indhaha iyo dhoobada. Praseodymium (III, IV) Oxide guud ahaan waa Nadiifin Sare (99.999%) Budada Praseodymium (III, IV) Oxide (Pr2O3) dhawaanahan waxaa laga heli karaa inta badan mugga. Nadiifin aad u sarreysa iyo isku-darka daahirnimada sare waxay hagaajiyaan tayada indhaha iyo faa'iidada labadaba heerarka sayniska. Budada walxaha nanoscale iyo joojinta, sida qaab kale oo dusha sare ah, ayaa laga yaabaa in la tixgeliyo.