Lanthhanum (LA) Oxide
| Lanthhanum oxide | |
| CAS TSIS MUAJ. :: | 1312-81-8 |
| Tshuaj Cov Qauv | La2o3 |
| Tus hniav loj | 325.809 g / mol |
| Kev tshwm sim | Hmoov dawb, hygroscopic |
| Ceev | 6.51 G / CM3, khoom |
| Melting taw tes | 2,315 ° C (4,199 ° F; 2,588 k) |
| Kub taw tes | 4,200 ° C (7,590 ° F; 4,470 K) |
| Solubility hauv dej | Insoluble |
| QHAB TIAV | 4.3 EV |
| Sib Nqus Tau Zoo (χ) | -78.0 txog cm3 / mol |
Lub Siab Purity Lanthhanum Oxide Qhov Tshwj Xeeb
Qhov loj me me (D50)8.23 μm
Purity ((LA2O3) 99.999%
Treo (tag nrho cov neeg tsis tshua muaj hnub nyoog oxides) 99.20%
| Rov qab cov ntsiab lus | ppm | Tsis-rees impurities | ppm |
| Tus kab khiav | <1 | Fes2o3 | <1 |
| PR6O11 | <1 | Siio2 | 13.9 |
| Nd2o3 | <1 | Cao | 3.04 |
| Sm2o3 | <1 | Lub hnab nyiaj | <3 |
| EU2O3 | <1 | Rab tshuab | 30.62 |
| Gd2o3 | <1 | Loi | 0.78% |
| Tb4o7 | <1 | ||
| Dy2o3 | <1 | ||
| Ho2o3 | <1 | ||
| Er2o3 | <1 | ||
| Tm2o3 | <1 | ||
| Yb2o3 | <1 | ||
| Lu2O3 | <1 | ||
| Y2O3 | <1 |
【Ntim】 25g / hnab yuav tsum muaj: cov pov thawj noo noo, plua plav-dawb, ua kom qhuav, ua kom qhuav thiab ua kom qhuav.
Dab tsi yog Lanthhanum oxide siv rau?
Raws li lub ntiaj teb tsis tshua muaj av, cov lus qhia yog siv los ua cov carbon arc teeb uas siv nyob rau hauv cov duab pom kev teeb pom kev zoo thiab projor teeb.Lanthhanum oxideyog siv los ua cov khoom noj ntawm cov lus qhia. Lanthhanum oxide pom siv nyob rau hauv: tsom iav kho qhov muag, LA-TB phosphors rau fluorescent, FCC cov catalysts. Nws yog qhov haum rau iav, optic thiab ceramic thiab siv hauv qee cov ntaub ntawv ferroelrictric, thiab yog ib lub pub rau cov neeg siv khoom, ntawm lwm cov siv.
