Intangiriro ngufi
Izina ry'ibicuruzwa: Praseodymium
Formula: pr
CAS OYA .: 7440-10-0
Uburemere bwa molekile: 140.91
Ubucucike: 6.71 G / ML kuri 25 ° C.
Gushonga Ingingo: 931 ° C.
Imiterere: 10 x 10 x 10 mm cube
Ibikoresho: | Praseodymium |
Ubuziranenge: | 99.9% |
Inomero ya Atomic: | 59 |
Ubucucike | 6.8 G.CM-3 kuri 20 ° C. |
Gushonga | 931 ° C. |
Bolling | 3512 ° C. |
Urwego | Inch 1, 10mm, 25.4mm, 50mm, cyangwa byateganijwe |
Gusaba | Impano, Ubumenyi, Erekana, Gukusanya, Gutambagiza, Uburezi, Ubushakashatsi |
Praseoodymium nigice cyoroshye cyane, icyuma cyumuhondo. Numuryango wa Lanthanide yimeza yimbonerahamwe yigihe. Irakira gahoro gahoro hamwe na ogisijeni: iyo uhuye numwuka ukora umwenda wicyatsi utayirinda izindi okiside. Birahanganira cyane ruswa mu kirere ibindi byuma bidasanzwe, ariko biracyakeneye kubikwa munsi ya peteroli cyangwa gutwarwa na plastiki. Irakira vuba n'amazi.
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