Kev Purity Siab Scandium Hmoov Sc hmoov Nqe Case No 7440-20-2
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Cov ntaub ntawv luv luv ntawm kev purity siab scandium hmoov sc hmoov pr hmoov li 7440-20-2
Khoom npe: Scandium Hlau
Mis: SC
CAS TSIS MUAJ .: 7440-20-2
Molecular hnyav: 44.96
Ntws: 2.99 G / cm3
Melting taw tes: 1540 ° C
Zog: cov pob zeb uas ntsiag to los yog lwm daim ntawv
Kev ua kom zoo: zoo
Ruaj: ncaj qha nyob rau hauv huab cua
Daim ntawv thov ntawm cov siab purity scandium hmoov sc hmoov pre li cas 7440-20-2
Scandium hlau tau thov cov txheej txheem kho qhov muag, catalyst, hluav taws xob ceramics thiab laser kev lag luam. Daim ntawv thov tseem ceeb ntawm scandium los ntawm qhov hnyav yog nyob rau hauv aluminium-scandium alloys rau cov lag luam kev lag luam me. Qee yam khoom ntawm cov cuab yeej kis las, uas cia siab rau cov ntaub ntawv ua tau zoo, tau ua nrog scandium-txhuas alloys. Ua haujlwm hauv cov txheej txheem hauv nroog ntawm cov txheej txheem ntawm cov pawg ntawm cov txheej txheem txawv, SC19BR28Z4, (Z = MN, FE, RU lossis OS). Cov pawg no yog cov paj rau lawv cov qauv thiab cov khoom sib nqus. Nws tseem siv tau los ua kom Super Alloy.
Qhov kev ua kom meej meej ntawm cov siab purity scandium hmoov sc hmoov pr hmoov li 7440-20-2
Teem nqi | 99.999% | 99.99% | 99.90% |
Tshuaj Muaj Tshuaj | |||
Sc / trem (% min.) | 99.999 | 99.99 | 99.9 |
Trem (% min.) | 99.9 | 99.9 | 99 |
Tsis tshua muaj lub ntiaj teb impurities | ppm max. | ppm max. | % Max. |
La / trem | 2 | 5 | 0.01 |
CE / Trem | 1 | 5 | 0.005 |
Pr / trem | 1 | 5 | 0.005 |
Nd / trem | 1 | 5 | 0.005 |
Sm / trem | 1 | 5 | 0.005 |
EU / Trem | 1 | 5 | 0.005 |
GD / trem | 1 | 10 | 0.03 |
TB / trem | 1 | 10 | 0.005 |
Dy / trem | 1 | 10 | 0.05 |
Ho / trem | 1 | 5 | 0.005 |
Er / trem | 3 | 5 | 0.005 |
Tm / trem | 3 | 5 | 0.005 |
Yb / trem | 3 | 5 | 0.05 |
Lu / trem | 3 | 10 | 0.005 |
Y / trem | 5 | 50 | 0.03 |
Tsis-Tsawg Lub Txiaj Ntsig Loj | ppm max. | ppm max. | % Max. |
Fe | 50 | 150 | 0.1 |
Si | 50 | 100 | 0.02 |
Ca | 50 | 100 | 0.1 |
Al | 30 | 100 | 0.02 |
Mg | 10 | 50 | 0.01 |
O | 100 | 500 | 0.3 |
C | 50 | 200 | 0.1 |
Cl | 50 | 200 | 0.1 |
Peb tuaj yeem muab tau li cas: