Thaum twg thiab qhov twg pom yttrium?

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Thaum twg thiab qhov twg pom yttrium?
Thaum twg thiab qhov twg pom yttrium?

Video: Thaum twg thiab qhov twg pom yttrium?

Video: Thaum twg thiab qhov twg pom yttrium?
Video: 666 yuav tshwm qhov twg thiab thaum twg 2024, Hlis ntuj nqeg
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Background. Yttria (Y), lub ntiaj teb uas muaj yttrium tau pom nyob rau hauv 1794los ntawm Gadolin. Nws tau pom nyob rau hauv ib lub chaw txua txiag zeb nyob ntawm Ytterby hauv Sweden. Qhov chaw no tau txais ntau yam khoom txawv txawv uas muaj cov av tsis tshua muaj thiab lwm yam.

Yttrium pom nyob qhov twg?

Txawm hais tias yttrium tau pom nyob rau hauv Scandinavia, nws muaj ntau dua nyob rau lwm lub tebchaws. Tuam Tshoj, Russia, Is Nrias teb, Malaysia thiab Australia yog cov thawj coj ntawm yttrium.

Thaum twg thiab qhov twg pom ytterbium?

Discovery of Ytterbium

Ytterbium tau tshawb pom los ntawm Jean Charles Galissard de Marignac hauv 1878, hauv Geneva, Switzerland. Nws rhaub erbium nitrate kom txog thaum nws decomposed thiab ces muab rho tawm cov residue, uas muaj ib tug tsis paub hais tias dawb hmoov uas nws hu ua ytterbium oxide (ytterbia).

Leej twg hu ua ytterbium?

In 1878 Jean Charles Galissard de Marignac, tus kws tshuaj Swiss, pom tias erbia yog nws tus kheej muaj ob yam. Ib qho kev tivthaiv tau hu ua ytterbia los ntawm Marignac thaum lwm cov khoom khaws cia lub npe erbia. Marignac ntseeg tias ytterbia yog ib qho chaw ntawm lub caij tshiab, uas nws hu ua ytterbium.

Leej twg pom ytterbium?

Fab Kis kws tshuaj Georges Urbain thiab Austrian chemist Carl Auer von Welsbach nws tus kheej tau pom nyob rau xyoo 1907–08 tias Marignac lub ntiaj teb yog tsim los ntawm ob lub oxides, uas Urbain hu ua neoytterbia thiab lutetia. Cov ntsiab lus tam sim no hu ua ytterbium thiab lutetium.

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