Cov hau kev tawm ntawmscandium
Rau lub sijhawm txiav txim siab ntawm lub sijhawm tom qab nws tshawb pom, kev siv tshuaj scandium tsis tau ua qauv vim nws qhov nyuaj hauv kev tsim khoom. Nrog rau kev nce qib zuj zus ntawm kev sib cais hauv ntiaj teb uas tsis tshua muaj ntiaj teb, muaj tam sim no cov txheej txheem txaus rau kev ua kom huv si scandium tebchaw. Vim tias scandium muaj qhov tsis muaj zog tshaj plaws piv rau yttrium thiab cov lus qhia, hydroxide muaj cov minerals tsis tshua muaj cov zaub mov muaj scandium. Tom qab kho, scandium hydroxide yuav thawj nag dag thaum hloov mus rau kev daws thiab kho nrog ammonia. Yog li ntawd, kev siv cov qib qib nag los tau yooj yim cais nws los ntawm cov av tsis tshua muaj. Lwm txoj hauv kev yog siv cov hierarchical decomposition of nitrate rau kev sib cais, raws li nitric acid yog qhov yooj yim tshaj plaws kom decompose thiab tuaj yeem ua tiav lub hom phiaj ntawm kev sib cais scandium. Ib qho ntxiv, cov rov qab zoo dua ntawm cov kev rov qab nrog rau hauv Uranium, Tupsten, Tinsten, tin thiab lwm yam ntxhia tso nyiaj tseem yog qhov tseem ceeb ntawm scandium.
Tom qab tau txais cov pa hluav taws zoo, nws hloov dua siab tshiab rau hauv SCCL3 thiab sib txuas nrog KCI thiab Lici. Cov Molten zinc yog siv ua lub canhode rau electrolysis, ua rau scandium rau nag lossis zig Electrode. Tom qab ntawd, cov zinc tau evaporated kom tau nws yog xim hlau scandium. Qhov no yog lub teeb ci dawb hlau, thiab nws cov tshuaj lom neeg kuj nquag heev. Nws tuaj yeem hnov mob nrog dej kub kom tsim kom muaj hydrogen.
Skhaub noomMuaj cov yam ntxwv ntawm cov txheeb ze qis dua (yuav luag sib npaug rau txhuas) thiab ua kom pom tseeb. Nitriding (SCN) muaj qhov taw tes melting ntawm 2900 ℃ thiab siab tshaj plaws, ua rau nws dav siv nyob rau hauv cov khoom siv hluav taws xob thiab xov tooj cua. Scandium yog ib qho ntawm cov ntaub ntawv rau thermonuclearar reactors. Scandium tuaj yeem txhawb lub phosphorescence ntawm kev coj tsis ncaj thiab txhim kho lub teeb xiav ntawm magnesium oxide. Piv nrog cov high-siab mercury teeb, ntse sodium teeb muaj qhov zoo xws li lub teeb pom kev zoo ib yam li cov xim ua kom zoo nkauj thiab cov teeb pom kev zoo nkauj thiab plaza teeb pom kev zoo.
Scandium tuaj yeem siv los ua kev ntxiv rau Nickel chromium alloys hauv kev lag luam metallurgical los tsim cov kub tiv thaiv ntau ntxiv. Scandium yog ib qho tseem ceeb cov khoom siv rau submarine kuaj daim hlau. Lub tshav kub sib txuas ntawm scandium yog nce mus txog 5000 ℃, uas tuaj yeem siv rau hauv qhov chaw thev naus laus zis. Sc tuaj yeem siv rau hauv kev taug qab los ntawm ntau lub hom phiaj. Scandium qee zaum siv hauv tshuaj.
Lub Sijhawm Post: Lub Tsib Hlis-16-2023