Qiayog cov hlau hnyav. Cov hlau hnyav tuaj yeem hais txog cov hlau uas muaj lub ntiajteb txawj nqus tshwj xeeb ntau dua 4 txog 5, thaum muaj lub ntiajteb txawj nqus tshwj xeeb ntawm txog 7 lossis 8, yog li barium yog cov hlau hnyav. Barium sib txuas tau siv los tsim cov ntsuab hauv cov foob pob hluav taws, thiab nws yog xim hlau barium los tshem tawm cov kab sib tw, nrog rau tus neeg sawv cev sib dhos rau cov hlau ua kom zoo nkauj rau cov hlau.
Puas yog Barium ib tug hnyav hlau?
Barium yog hlau hnyav.
Vim li cas: Cov hlau hnyav tuaj saib cov hlau nrog kev sib tsoo loj tshaj 4 txog 5, thaum lub ntiajteb txawj nqus tshwj xeeb ntawm txog 7 lossis 8, yog li barium yog cov hlau hnyav.
Taw qhia rau Barium: Barium yog ib qho khoom siv nquag nyob rau hauv Alkaline Lub Ntiaj Teb hlau me, lub ntiaj teb alkaline lub ntiaj teb hlau nrog ib qho nyiaj dawb luster. Cov tshuaj chemical yog nquag heev, thiab barium lub teb chaws yeej tsis tau pom nyob rau hauv qhov. Cov zaub mov uas nquag muaj ntawm barium hauv xwm yog barium sulfate thiab Barium carbonate, ob qho uas yog insoluble hauv dej.
Kev siv barium: Barium compounds yog siv los tsim cov ntsuab hauv cov foob pob hluav taws, thiabbarium hlauYuav siv tau los ua tus neeg sawv cev Degassing los tshem cov roj av roj av thiab cov leeg tshav ntxaum, nrog rau cov neeg sawv cev degassing rau cov hlau.
Daim ntawv thov ntawm Barium yog dab tsi?
Barium yog cov tshuaj lom neeg nrog cov tshuaj lom neeg ba.
Barium muaj ntau yam siv, qee qhov uas yog ib qho muaj:
1 Barium sib txuas yog siv los ua cov ntaub ntawv raw thiab cov quav ntxiv hauv kev lag luam. Piv txwv li, Barium compounds tuaj yeem siv los tsim cov phosphors, nplaim taws retardants, ntxiv, thiab catalysts.
2. Barium tuaj yeem siv los tsim cov hniav xoo hluav taws xob thiab tau siv dav hauv kev kho mob thiab teb. Lub raj xoo hluav taws xob yog ib lub cuab yeej uas tsim cov x-rays rau kev kuaj mob thiab kuaj cov ntawv thov.
3, Barium txhuas iav yog cov khoom siv kho qhov muag siv tau ntau yam nyob rau hauv kev siv cov twj siv kho tshiab, telescopes, thiab cov iav me me.
4, Barium yog siv los ua kev sib ntxiv thiab cov sib xyaw ua ke hauv roj teeb. Nws tuaj yeem txhim kho kev ua tau zoo thiab lub zog cia ntawm cov roj teeb.
5. Barium sib txuas no tseem siv los ua cov khoom lag luam xws li tshuaj tua kab, ceramics, thiab cov tapes sib nqus. Barium compium kuj tseem siv tau los tswj cov kab tsuag thiab cov nroj tsuag hauv cov nyom thiab orchards.
Thov nco ntsoov tias Barium yog lub caij lom, yog li ntawv ceev faj yuav tsum tau siv thaum siv thiab sib txuas kev ntsuas kev nyab xeeb thiab kev ruaj ntseg yuav tsum tau ua raws.
Cov khoom ntawm Barium
Barium yog xim hlau lub caij, nyiaj dawb hauv cov xim, nrog daj ntsuab nplaim taws thaum hlawv. Barium salts yog siv los ua cov xim dawb. Barium hlau yog ib qho zoo tshaj plaws deoxidizer rau tooj liab ua kom zoo nkauj: tus kab mob uas mob plab zom mov thiab yaig xoo fluorcopy thiab yauv ua yeeb yaj kiab. Me ntsis glossy, nrog extensibility. Ntom ntom 3. 51 grams ib cubic centimeter. Melting point 725 ℃. Boiling taw tes 1640 ℃. Valence + 2. Ionization Zog 5. 212 Electron volts. Cov tshuaj chemical yog cov nquag heev thiab tuaj yeem ua kom muaj kev cuam tshuam nrog feem ntau tsis yog hlau. Thaum hlawv thaum kub thiab hauv oxygen, barium peroxide yog tsim. Yooj yim rau oxidize, muaj peev xwm rov qab los nrog dej los tsim hydroxides thiab hydrogen; Yaj hauv acid thiab daim ntawv ntsev. Barium sals yog lom tshwj kev rau barium sulfate. Qhov kev txiav txim ntawm cov khoom siv hlau yog nruab nrab potassium thiab sodium.
Peb tuaj yeem muab cov 99-99.5% Min% Cap PurityBarium hlau,Txais tos kom xa peb nug.
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Lub Sijhawm Post: Oct-21-2024