Tantalum (V) chloride ua li cas?

Tantalum (V) chloride, kuj hu uatantalum pentachloride, yog ib qho kev sib txuas uas ua lub luag haujlwm tseem ceeb hauv ntau yam kev lag luam.Nws yog dav siv nyob rau hauv zus tau tej cov tantalum hlau, capacitors thiab lwm yam khoom siv hluav taws xob.Hauv tsab xov xwm no, peb yuav tshawb txog cov txheej txheem tsim khoom ntawmtantalum (V) chloridethiab nws qhov tseem ceeb hauv kev siv sib txawv.

Tantalum (V) chloridefeem ntau yog tsim los ntawm tantalum ores, xws li tantalite lossis coltan, uas muajtantalum oxide hmoov.Thawj kauj ruam hauv cov txheej txheem tsim khoom yog kom rho tawm tantalum ore los ntawm lub ntiaj teb crust.Cov ores no feem ntau pom hauv Australia, Brazil thiab ntau lub tebchaws African.

Tom qab tantalum ore yog mined, nws mus los ntawm ib tug series ntawm purification txheej txheem kom tshem tawm impurities thiab cais tantalum los ntawm lwm yam minerals.Cov ore yog thawj zaug crushed thiab hauv av rau hauv ib lub hmoov zoo.Cov hmoov no ces tov nrog hydrofluoric acid tov los tsim ib tug tantalum fluoride compound.

Tom qab ntawd lub tantalum fluoride compound yog rhuab mus rau qhov kub siab nyob rau hauv lub xub ntiag ntawm chlorine gas.Cov txheej txheem no, hu ua chlorination, hloov tantalum fluoride rau hauvtantalum (V) chloride.Cov tshuaj tiv thaiv no tuaj yeem qhia tau los ntawm kev sib npaug tshuaj lom neeg hauv qab no:

TaF5 + 5Cl2 → TaCl5 + 5F2

Thaum lub sij hawm chlorination txheej txheem, impurities tam sim no nyob rau hauv lub tantalum fluoride compound raug xaiv tshem tawm, uas ua rau ib tug high-purity.tantalum (V) chloridekhoom.Tantalum (V) chloridefeem ntau yog cov kua tsis muaj xim lossis daj nrog cov ntxhiab tsw.

Yuav kom ntseeg tau qhov zoo ntawmtantalum (V) chloride, nws yuav tsum mus dhau ib theem purification ntxiv.Distillation feem ntau yog siv los tshem tawm cov impurities uas tseem tshuav thiab cov tshuaj volatile, uas ua rau muaj cov khoom purified heev.

Kev tsim tawm ntawmtantalum (V) chlorideyog ib kauj ruam tseem ceeb hauvtantalum hlaukev tsim khoom.Tantalum hlauyog dav siv nyob rau hauv aerospace, electronics thiab tshuaj industries vim nws zoo heev corrosion kuj thiab siab melting point.Nws yog feem ntau siv los tsim cov capacitors, ib qho tseem ceeb ntawm cov khoom siv hluav taws xob xws li smartphones, computers thiab TVs.

Ntxiv rau nws siv hauv kev lag luam hluav taws xob,tantalum (V) chlorideyog siv nyob rau hauv zus tau tej cov tshwj xeeb alloys thiab raws li ib tug catalyst rau organic tshuaj tiv thaiv.Nws cov khoom tshwj xeeb ua rau nws muaj txiaj ntsig zoo hauv ntau qhov chaw.

Kev tsim tawm ntawmtantalum (V) chlorideyuav tsum tau ua tib zoo tuav vim nws cov khoom corrosive thiab tshuaj lom.Cov txheej txheem kev nyab xeeb nruj thiab kev ntsuas yog qhov tseem ceeb los tiv thaiv cov neeg ua haujlwm thiab ib puag ncig los ntawm txhua yam kev phom sij.

Hauv cov ntsiab lus,tantalum (V) chlorideor tantalum pentachlorideNws yog ib qho tseem ceeb rau kev tsim cov tantalum hlau thiab capacitors.Nws cov khoom tsim muaj xws li chlorination ntawm c rho tawm los ntawm tantalum ore.Qhov tshwm simtantalum (V) chlorideyog siv nyob rau hauv ntau yam kev lag luam, nrog rau electronics, aerospace thiab tshuaj.Nws cov khoom siv tshuaj thiab lub cev ua rau nws muaj txiaj ntsig zoo hauv ntau yam kev siv.Txawm li cas los xij, vimtantalum (V) chlorideyog corrosive thiab lom, nws yuav tsum tau saib xyuas.


Post lub sij hawm: Nov-09-2023