Takaitaccen bayanin
Sunan samfurin: Pratsorymium
For for: pr
CAS NO.: 7440-10-0
Nauyi na kwayoyin: 140.91
Yawan: 6.71 g / ml a 25 ° C
Maɗaukaki: 931 ° C
Sheta: 10 x 10 x 10 mm cube
Abu: | Furcidmium |
Tsarkin: | 99,9% |
Lambar Atomic: | 59 |
Yawa | 6.8 g.cm-3 a 20 ° C |
Mallaka | 931 ° C |
Wasan bolming | 3512 ° C |
Gwadawa | 1 inch, 10mm, 25.4mm, 50mm, ko musamman |
Roƙo | Kyauta, Kimiyya, Nunin, tattara, kayan ado, bincike |
Pratsardmium wani cuta mai laushi ne, karfe mai launin shuɗi. Memba ne na rukunin Lanthanide na tebur na abubuwa. Yana da hankali a hankali tare da oxygen: lokacin da aka fallasa iska shi bisa kore oxide wanda baya kare shi daga cigaba da hadawa. Zai fi tsayayya ga lalata a cikin iska sauran karatattun karafa, amma har yanzu yana buƙatar adana ƙarƙashin mai ko mai rufi da filastik. Yana da sauri tare da ruwa.
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