Praseodymium hlau
Cov ntaub ntawv luv luv ntawmPraseodymium hlau
Formula: Pr
CAS Nr .: 7440-10-0
Molecular Luj: 140.91
Qhov ceev: 6640 kg / m³
Melting point: 935 ° C
Cov tsos mob: Silvery dawb pob khoom, ingots, pas nrig, ntawv ci, hlau, thiab lwm yam.
Stability: Nruab nrab reactive hauv ai
Ductibility: Zoo
Ntau hom lus: Praseodymium Metall, Hlau De Praseodymium, Hlau Del Praseodymium
Daim ntawv thov:
Praseodymium Hlau, yog siv los ua tus neeg sawv cev muaj zog alloying hauv Magnesium siv nyob rau hauv qhov chaw ntawm lub tshuab dav hlau.Nws yog ib qho tseem ceeb alloying tus neeg sawv cev hauv Neodymium-Iron-Boron hlau nplaum.Praseodymium yog siv los tsim cov hlau nplaum uas muaj zog heev rau lawv lub zog thiab kav ntev.Nws kuj tseem siv tau rau hauv lub teeb, taws teeb, 'flint thiab steel' hluav taws pib, thiab lwm yam. Praseodymium Hlau tuaj yeem ua tiav rau ntau yam duab ntawm ingots, pieces, xov hlau, foils, slabs, rods, discs thiab hmoov.Praseodymium yog siv los ua haujlwm khoom siv additives, thiab additives rau high-tech alloys, hluav taws xob khoom thiab lwm yam.
Specification
| Pr/TREM (% min.) | 99.9 ua | 99.5 ua | 99 |
| TREM (% min.) | 99 | 99 | 99 |
| Rare Earth Impurities | % max. | % max. | % max. |
| La/TREM Ce/TREM Nd/TREM Sm/TREM Eu/TREM Gd/TREM Y/TREM | 0.03 ib 0.05 Nws 0.1 0.01 ib 0.01 ib 0.01 ib 0.01 ib | 0.05 Nws 0.1 0.5 0.05 Nws 0.03 ib 0.03 ib 0.05 Nws | 0.3 0.3 0.3 0.03 ib 0.03 ib 0.03 ib 0.3 |
| Tsis-Re Earth Impurities | % max. | % max. | % max. |
| Fe Si Ca Al Mg Mo O C Cl | 0.2 0.03 ib 0.02 ib 0.05 Nws 0.02 ib 0.03 ib 0.03 ib 0.03 ib 0.02 ib | 0.3 0.05 Nws 0.03 ib 0.1 0.03 ib 0.05 Nws 0.05 Nws 0.05 Nws 0.03 ib | 0.5 0.1 0.03 ib 0.1 0.05 Nws 0.05 Nws 0.1 0.05 Nws 0.03 ib |
Ntim:Cov khoom yog ntim rau hauv cov nruas hlau, nqus los yog ntim nrog cov roj inert rau cia, nrog rau qhov hnyav ntawm 50-250KG ib nruas
Daim ntawv pov thawj:
Qhov peb tuaj yeem muab tau:
