Mis: La2O3
CAS TSIS MUAJ.: 1312-81-8
Molecular hnyav: 325.82
Ntws: 6.51 g / cm3
Melting taw tes: 2315 ° Cappare:
Cov hmoov nplej dawb: insoluble hauv dej, nruab nrab soluble nyob rau hauv cov ntxhia pob zeb acidstability:
Holdgroscopicmicmicmicmicmicmultual: Lanthanoxid, Oxyde de Lanthane, Oxido de Lanthano Tsis tshua muaj Oxide La2O3
Lanthhanbat oxide (tseem hu ua Lanthana) yog cov tshuaj sib xyaw nrog cov mis la2o3. Nws yog lub ntiaj teb tsis tshua muaj pa oxide thiab ib cov khoom siv dawb nrog lub cubic crystal qauv. Lanthhanum oxide yog cov khoom siv kub siab thiab yog siv nyob rau ntau yam kev siv vim nws cov tshuaj ruaj khov zoo thiab corrosion tsis kam. Nws yog siv raws li cov khoom siv rau kev ua phosphors rau siv cov duab ncej tshav thiab cov fluorescent teeb, raws li dopant hauv cov khoom siv semiconduct, thiab ua ib qho catalystor Nws kuj yog siv rau kev tsim cov ceramics thiab raws li ib tug tracer hauv kev tshawb fawb roj ntsha thiab tshuaj lom neeg.
Lanthhanum oxide, tseem hu ua Lanthana, siab purity turthanum oxide (99.99% rau 9-ce phaosce rau fluorescent teeb thiab ua tshwj xeeb kho qhov muag tsom iav, xws li infrared-absorbing iav, raws li tau qhab nia thiab fcc catthalyst, thiab tseem yog cov khoom siv raw rau cov khoom siv lanthhanum ntau lawm; Lanthhanum oxide tseem siv los ua kev loj hlob ntsuab ntxiv thaum lub sijhawm ua kua sintering ntawm silicon nitride thiab zirconium diboride.
Tsis tshua muaj lub ntiaj teb Lanthhanum La2O3
Ntsuas Yam | Lub hom phiaj | Qho kawg |
La2o3 / treo | ≥99.99% | > 99.99% |
Treo | ≥99% | 99.6% |
Rov ua kom tsis txaus siab (% / TREO) | ||
Tus kab khiav | I≤0.005% | 0.001% |
PR6O11 | I≤0.002% | 0.001% |
Nd2o3 | I≤0.005% | 0.002% |
Sm2o3 | I≤0.001% | 0.0005% |
Tsis-re impurities (%) | ||
Yog li ntawd | I≤0.002% | 0.001% |
Fes2o3 | I≤0.001% | 0.0002% |
Siio2 | I≤0.001% | 0.0005% |
Cl- | I≤0.002% | 0.0005% |
Cao | I≤0.001% | 0.0003% |
Tus nyom | I≤0.001% | 0.0002% |
Loi | I≤1% | 0.25% |
Tag | Ua raws li cov qauv saum toj no |
Qhov no tsuas yog ib qho spec rau 99.99% purity, peb kuj tseem tuaj yeem muab 99.9%, 99.99% kev coj dawb huv. Lanthhanum oxide nrog tshwj xeeb cov kev xav rau impurities tuaj yeem kho tau raws li cov neeg siv khoom. Rau cov ntaub ntawv ntxiv, thov nyem!
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