kasa1

Kayayyaki

Praseodymium, 59Pr
Lambar atomic (Z) 59
Farashin STP m
Wurin narkewa 1208 K (935 ° C, 1715 ° F)
Wurin tafasa 3403 K (3130 °C, 5666 °F)
Yawan yawa (kusa da rt) 6.77 g/cm 3
lokacin ruwa (a mp) 6.50 g/cm 3
Zafin fuska 6.89 kJ/mol
Zafin vaporization 331 kJ/mol
Ƙarfin zafin rana 27.20 J/ (mol·K)
  • Praseodymium (III, IV) Oxide

    Praseodymium (III, IV) Oxide

    Praseodymium (III,IV) Oxideshine mahaɗan inorganic tare da dabarar Pr6O11 wanda ba ya narkewa cikin ruwa.Yana da tsarin fluorite mai siffar sukari.Shi ne mafi kwanciyar hankali nau'i na praseodymium oxide a yanayi zafin jiki da kuma matsa lamba.It ne mai matukar insoluble thermally barga Praseodymium tushen dace da gilashin, gani da yumbu aikace-aikace.Praseodymium(III,IV) Oxide gabaɗaya Babban Tsafta ne (99.999%) Praseodymium(III,IV) Oxide (Pr2O3) Foda yana samuwa a mafi yawan kundin.Tsabtataccen tsafta da tsaftar abubuwa masu ƙarfi suna haɓaka ingancin gani da fa'ida azaman ma'auni na kimiyya.Nanoscale foda da kuma dakatarwa, azaman madadin babban yanki mai tsayi, ana iya la'akari da shi.