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Rare ntiaj teb keeb | Gadolinium (Gd) hmoov
Xyoo 1880, G.de Marignac ntawm Switzerland tau cais "samarium" ua ob lub ntsiab lus, ib qho tau lees paub los ntawm Solit los ua samarium thiab lwm lub ntsiab lus tau lees paub los ntawm Bois Baudelaire txoj kev tshawb fawb. Hauv xyoo 1886, Marignac tau muab lub npe tshiab no gadolinium rau kev hwm ntawm Dutch chemist Ga-do Linium, uas ...Nyeem ntxiv -
Rare Earth Elements | Eu
Xyoo 1901, Eugene Antole Demarcay nrhiav tau ib lub ntsiab lus tshiab los ntawm "samarium" thiab hu ua Europium. Qhov no tej zaum muaj npe tom qab lub sij hawm Europe. Feem ntau ntawm cov europium oxide yog siv rau fluorescent hmoov. Eu3 + yog siv los ua tus activator rau liab phosphors, thiab Eu2 + yog siv rau xiav phosphors. Tam sim no, ...Nyeem ntxiv -
Rare ntiaj teb keeb | Samarium (Sm)
Rare ntiaj teb keeb | Samarium (Sm) Xyoo 1879, Boysbaudley tau tshawb pom lub ntiaj teb tshiab tsis tshua muaj nyob hauv "praseodymium neodymium" tau los ntawm niobium yttrium ore, thiab muab nws lub npe samarium raws li lub npe ntawm cov ore no. Samarium yog lub teeb daj xim thiab yog cov khoom siv los ua Samari...Nyeem ntxiv -
Rare ntiaj teb keeb | Lanthanum (La)
Lub caij 'lanthanum' tau muaj npe nyob rau xyoo 1839 thaum ib tug Swede hu ua 'Mossander' pom lwm cov ntsiab lus hauv lub nroog av. Nws qiv cov lus Greek 'pob ntseg' rau lub npe no 'lanthanum'. Lanthanum yog dav siv, xws li piezoelectric cov ntaub ntawv, electrothermal cov ntaub ntawv, thermoelec ...Nyeem ntxiv -
Rare ntiaj teb keeb | Neodymium (Nd)
Rare ntiaj teb keeb | Neodymium (Nd) Nrog yug ntawm praseodymium keeb, neodymium keeb kuj tshwm sim. Kev tuaj txog ntawm neodymium caij tau qhib lub ntiaj teb tsis tshua muaj teb, ua lub luag haujlwm tseem ceeb hauv thaj av tsis tshua muaj, thiab tswj hwm lub ntiaj teb tsis tshua muaj kev lag luam. Neodymium tau dhau los ua qhov kub siab ...Nyeem ntxiv -
Rare ntiaj teb keeb | ytrium (Y)
Xyoo 1788, Karl Arrhenius, ib tug tub ceev xwm Swedish uas yog ib tug neeg ua haujlwm ua haujlwm uas kawm chemistry thiab mineralogy thiab sau cov ores, pom cov zaub mov dub nrog cov tsos ntawm asphalt thiab thee hauv lub zos Ytterby sab nraum Stockholm Bay, hu ua Ytterbit raws li lub npe hauv zos. Xyoo 1794, Finnish c...Nyeem ntxiv -
Cov kuab tshuaj extraction txoj kev rau lub ntiaj teb tsis tshua muaj cov ntsiab lus
Cov txheej txheem ntawm kev siv cov kuab tshuaj organic kom tshem tawm thiab cais cov khoom rho tawm los ntawm cov kua dej tsis huv yog hu ua organic solvent kua-kua extraction method, abbreviated li hnyav extraction method. Nws yog ib qho kev hloov pauv loj uas hloov cov sub ...Nyeem ntxiv -
Rare Earth Elements | Scandium (Sc)
Nyob rau hauv 1879, Swedish chemistry professors LF Nilson (1840-1899) thiab PT Cleve (1840-1905) pom ib tug tshiab lub caij nyob rau hauv cov minerals tsawg gadolinite thiab dub tsis tshua muaj kub ore nyob rau tib lub sij hawm. Lawv hu lub caij no "Scandium", uas yog "boron zoo li" lub caij kwv yees los ntawm Mendeleev. Lawv...Nyeem ntxiv -
Gadolinium oxide Gd2O3 yog dab tsi thiab nws siv rau dab tsi?
Dysprosium oxide Khoom npe: Dysprosium oxide Molecular mis: Gd2O3 Molecular Luj: 373.02 Purity: 99.5%-99.99% min CAS: 12064-62-9 Ntim: 10, 25, thiab 50 kilograms ib lub hnab, nrog ob txheej ntawm cov hnab yas sab hauv, thiab woven, hlau, ntawv, los yog yas thoob sab nraum. Cim: Dawb los yog...Nyeem ntxiv -
SDSU Cov kws tshawb fawb los tsim cov kab mob uas Extract Rare Earth Elements
qhov chaw:newscenter Tsis tshua muaj ntiaj teb cov ntsiab lus (REEs) zoo li lanthanum thiab neodymium yog cov khoom tseem ceeb ntawm cov khoom siv hluav taws xob niaj hnub no, los ntawm cov xov tooj ntawm tes thiab hnub ci vaj huam sib luag rau satellites thiab hluav taws xob tsheb. Cov hlau hnyav no tshwm sim nyob ib puag ncig peb, txawm tias nyob rau hauv me me. Tab sis kev thov tseem nce ntxiv thiab bec ...Nyeem ntxiv -
Amorphous boron hmoov, xim, daim ntawv thov yog dab tsi?
Khoom taw qhia Cov khoom npe: Monomer boron, boron hmoov, amorphous element boron Element cim: B Atomic hnyav: 10.81 (raws li 1979 International Atomic Nyhav) Cov qauv zoo: 95%-99.9% HS code: 28045000 CAS naj npawb: 7440-4 8 Amorphous boron hmoov kuj hu ua amorphous bo...Nyeem ntxiv -
Dab tsi yog tantalum chloride tacl5, xim, daim ntawv thov?
Shanghai Xinglu tshuaj muab siab Purity tantalum chloride tacl5 99.95%, thiab 99.99% Tantalum chloride yog ntshiab dawb hmoov nrog molecular mis TaCl5. Molecular hnyav 35821, melting point 216 ℃, boiling point 239 4 ℃, yaj hauv cawv, ether, carbon tetrachloride, thiab reacted nrog wa ...Nyeem ntxiv