Lanthanum Boride LaB6
Cov ntaub ntawv luv luv:
| Khoom npe | Lanthanumhexaboride |
| CAS nr | 12008-21-8 |
| Cov mis mos molecular | lanthanum hexaboride lom |
| Molecular hnyav | 203.77 ib |
| Qhov tshwm sim | dawb hmoov / granules |
| Qhov ntom | 2.61 g / ml ntawm 25 C |
| Melting Point | 2530c ua |
Daim ntawv thov:
LanthanumHexaboride kev ua haujlwm tau siv dav hauv kev lag luam hluav taws xob, nws cov khoom siv hluav taws xob ua haujlwm zoo dua li lwm cov ntaub ntawv xws li W thiab tau siv dav hauv electron microscope, thiab lwm yam Tam sim no, nws tau tshaj tawm hauv cov ntaub ntawv hais tias lanthanum hexaboride ua haujlwm muaj txiaj ntsig zoo, tab sis qhov kub thiab txias. Tsawg heev (kwv yees li 1K).Raws li lanthanum hexaboride lom muaj ntau yam ua tau zoo heev, piv txwv li, muaj zog electron emission siv, muaj zog hluav taws xob tsis kam, zoo tshuaj stability nyob rau hauv high kub, thiab lwm yam khoom siv no yog dav siv nyob rau hauv cov tub rog thiab ntau high-tech cheeb tsam. .Nws tuaj yeem siv rau hauv radar, aerospace, kev lag luam hluav taws xob, cov cuab yeej siv, cov khoom siv kho mob, cov khoom siv hauv tsev, kev lag luam metallurgy, thiab lwm yam.Ntawm cov uas, lanthanum boride ib leeg siv lead ua yog cov khoom siv zoo tshaj plaws los tsim lub zog siab, magnetron, electron beam, ion beam, accelerator cathode.
Specification:
| Yam khoom | SPECIFICATIONS | KEV KAWM NTAWV |
| Luas (%, min) | 68.0 ua | 68.45 ib |
| B(%, min) | 31.0 Nws | 31.15 Nws |
| lanthanum hexaboride lom / (TREM + B) (%, min) | 99.99 ib | 99.99 ib |
| TREM + B(%, min) | 99.0 ua | 99.7 ua |
| RE impurities (ppm / TREO, Max) | ||
| Ce | 3.5 | |
| Pr | 1.0 | |
| Nd | 1.0 | |
| Sm | 1.0 | |
| Eu | 1.3 | |
| Gd | 2.0 | |
| Tb | 0.2 | |
| Dy | 0.5 | |
| Ho | 0.5 | |
| Er | 1.5 | |
| Tm | 1.0 | |
| Yb | 1.0 | |
| Lu | 1.0 | |
| Y | 1.0 | |
| Tsis-Re Impurities (ppm, Max) | ||
| Fe | 300.0 Nws | |
| Ca | 78.0 ua | |
| Si | 64.0 ua | |
| Mg | 6.0 | |
| Cu | 2.0 | |
| Cr | 5.0 | |
| Mn | 5.0 | |
| C | 230.0 Nws | |
Daim ntawv pov thawj:
Qhov peb tuaj yeem muab tau:
