Video: Yuav ua li cas samarium tau txais?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Number of Stable Isotopes: 5 (Saib tag nrho cov isotope
Hauv qhov no, samarium ua li cas?
Ntshiab samarium tuaj yeem yog ua los ntawm electrolyzing molten chloride nrog sodium chloride. Tsis tas li ntawd, nws tuaj yeem ua lag luam rov qab los ntawm bastnaesite thiab monazite xuab zeb nrog kev pab ntawm ion txauv thiab cov txheej txheem hnyav extraction.
Ib yam li ntawd, samarium hu ua li cas? Lub ntsiab yog cais nyob rau hauv 1879 los ntawm Lecoq de Boisbaudran los ntawm cov mineral samarskite, npe nyob rau hauv kev hwm ntawm ib tug Lavxias teb sab mine official, Colonel Samarski, thiab uas yog li ntawd muab samarium nws npe.
Ib yam li ib tug yuav nug, samarium mined li cas?
Mining thiab ntau lawm Cov ore tseem ceeb tshaj plaws yog monazite, uas muaj txog li 3% los ntawm qhov hnyav ntawm samarium . Nws tseem tuaj yeem tsim los ntawm electrolysis ntawm cov khoom sib xyaw molten samarium chloride (SmCl3thiab calcium chloride (CaCl2).
Vim li cas samarium tseem ceeb?
Ib qho ntawm feem ntau tseem ceeb siv ntawm samarium yog nyob rau hauv kev tsim cov hlau nplaum muaj zog heev. Samarium yog ua ke nrog cov hlau cobalt ua samarium -cobalt, los yog SmCo, hlau nplaum. Lawv yog cov muaj zog tshaj hlau nplaum paub. Lawv kuj muaj lwm yam khoom uas xav tau.
Pom zoo:
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