Cov Qauv: Y2O3
CAS TSIS MUAJ .: 1314-36-9
Molecular hnyav: 225.81
Ntws: 5.01 g / cm3
Melting taw tes: 2425 Celsium degree
Zog: Cov hmoov dawb dawb
Solubility: insoluble hauv dej, muaj ntsis soluble hauv cov kua ntxhia muaj zog
Kev ruaj khov: me ntsis hygroscopicmultuard: yttrasteroxid, oxyde de yttrium, oxido del ytrio
Yttrium oxide (tseem hu ua yttria) yog ib qho tshuaj lom neeg muaj kuab lom nrog tus qauv y2o3. Nws yog lub ntiaj teb tsis tshua muaj pa oxide thiab ib cov khoom siv dawb nrog lub cubic crystal qauv. YTTRium oxide yog cov khoom siv refractory nrog lub siab melting point thiab yog resistant rau tshuaj lom neeg tawm tsam. 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, tshwj xeeb yog alumina-raws li ceramics, thiab raws li cov abrasive.
Ntsuas Yam | Lub hom phiaj | Qho kawg |
Y2o3 / treo | ≥99.99% | 99.999% |
Treo | ≥99.5% | 99.85% |
Rov ua kom tsis txaus ntseeg (ppm / treo) | ||
La2o3 | 150 Cov Ntaub Ntawv | 2 |
Tus kab khiav | 150 Cov Ntaub Ntawv | 3 |
PR6O11 | 150 Cov Ntaub Ntawv | 3 |
Nd2o3 | Medicited 15 | 1 |
Sm2o3 | 150 Cov Ntaub Ntawv | 2 |
Gd2o3 | Medicited 15 | 1 |
Tb4o7 | Medicited 15 | 1 |
Dy2o3 | Medicited 15 | 2 |
Tsis-re yuav impurities (PPM) | ||
Cua | Medicited 15 | 1 |
Fes2o3 | Medicited 15 | 2 |
Siio2 | 150 Cov Ntaub Ntawv | 8 |
Cl- | ≤15 | 8 |
Cao | ≤15 | 6 |
Lub hnab nyiaj | Medicited 15 | 2 |
Nio | Medicited 15 | 2 |
Loi | I≤0.5% | 0.12% |
Tag | Ua raws li cov qauv saum toj no. |
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