Qiayog cov hlau hnyav. Cov hlau hnyav tuaj yeem hais txog cov hlau uas muaj lub ntiajteb txawj nqus ntau dua 4 txog 5, thiab cov kev sib tsoo ntawm barium yog li 7 lossis 8, yog li barium yog cov hlau hnyav. Barium sib txuas tau siv los ua cov xim ntsuab hauv foob pob hluav taws, thiab nws yog xim hlau barium los tshem tawm cov roj deg, thiab ua cov neeg sawv cev sib dhos rau cov hlau ua kom zoo nkauj.
1 yog Barium ib cov hlau hnyav?Barium yog hlau hnyav. Vim li cas: Cov hlau hnyav tuaj saib cov hlau nrog kev sib tsoo loj tshaj 4 txog 5, thiab 8, yog li barium yog hlau hnyav. Taw qhia rau Barium: Barium yog ib qho khoom siv nquag hauv Alkaline Lub Ntiaj Teb Cov Hlau. Nws yog lub ntiaj teb alkaline muag muag nrog lub suab ntsiag to dawb. Cov tshuaj chemical yog nquag heev, thiab barium 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. Siv ntawm Barium: Barium compound yog siv los ua ntsuab hauv cov foob pob hluav taws, thiabbarium hlauYuav siv tau los ua tus neeg sawv cev Degassing los tshem cov roj av hauv lub tshuab nqus tsev thiab cov kab txuas ntxiv rau cov hlau ua kom zoo nkauj.
2 Kev Siv Barium yog dab tsi? Qiayog tshuaj lom neeg nrog cov tshuaj lom neeg ba. Barium muaj ntau yam siv, thiab cov hauv qab no yog qee qhov siv:
1. Barium sib txuas ua ke yog siv los ua cov ntaub ntawv raw thiab ntxiv rau hauv kev lag luam. Piv txwv li, Barium compounds tuaj yeem siv los ua kom pom kev zoo, cov nplaim taws nplaim taws, ntxiv thiab catalysts.
2. Barium tuaj yeem siv los ua cov kab xoo hluav taws xob, uas tau siv dav hauv kev kho mob thiab kev lag luam teb. Lub raj xoo hluav taws xob yog lub cuab yeej uas tsim cov x-rays rau kev kuaj mob thiab siv cov ntawv thov kom paub.
3. Barium-txhuas iav yog ib qho siv kho qhov muag iav siv kho qhov muag, feem ntau siv los ua cov twj siv kho tshiab, lub tsom iav tsom iav, thiab lwm yam.
4. Barium yog siv los ua kev ntxiv thiab cov sib xyaw ua ke hauv roj teeb. Nws tuaj yeem txhim kho cov roj teeb kev ua tau zoo thiab khaws lub zog.
5. Barium sib txuas no tseem siv los ua cov khoom lag luam xws li tshuaj tua kab, ceramics, thiab cov tapes sib nqus.
6. Barium sib txuas kuj tseem siv tau los tswj cov kab tsuag thiab cov nroj tsuag thiab cov kev ntsuas sib txuas thiab ua raws cov kev ntsuas kev nyab xeeb thiab muaj kev ruaj ntseg.
3 Dab tsi Barium ion nag los nrog?Barium eons nag lossis nag los nrog rau cov pa roj carbon monoxide, sulfate ions, thiab sulfite ions. Barium yog alkaline lub ntiaj teb hlau ntoo, ib lub caij nyoog nyob rau hauv lub sij hawm thib rau ntawm ib pawg neeg Iia nyob rau hauv lub caij nyoog Alkaline Cov Hlau, thiab lub ntiaj teb alkaline lub ntiaj teb yog qhov nquag nquag, barium tsis tau pom nyob rau hauv qhov. Cov zaub mov uas nquag muaj ntawm barium nyob rau hauv qhov yog barite (barium sulfate) thiab witherite (Barium carbonate), ob qho tib si yog insoluble hauv dej. Barium tau lees tias yog lub caij tshiab nyob rau 1774, tab sis nws tsis tau cais raws li kev tsim kho ntawm electrium nyob rau hauv kev tsim kho electrolysis, siltsly dawb, thiab emits daj-ntsuab nplaim taws thaum hlawv. Barium sals yog siv raws li qib high-qib dawb pigments. Nws yog xim hlau barium yog ib qho zoo tshaj plaws deoxidizer thaum tus neeg mob noj cov tshuaj lom neeg esyophageal. Tom qab tus mob putroroscopy lossis cov duab kos duab thiab du. Ntom ntom 3.51 g / cm3. Melting point 725 ℃. Boiling taw tes 1640 ℃. Valence +2. Ionization hluav taws xob 5.212 hluav taws xob hauv hluav taws xob. Cov tshuaj chemical yog cov nquag heev thiab tuaj yeem ua kom muaj kev cuam tshuam nrog feem ntau uas tsis yog hlau. Hlawv ntawm qhov kub thiab txias thiab hauv cov pa yuav ua cov ntoo balium peroxide. Nws yog yooj yim oxidized thiab tuaj yeem hnov mob nrog dej los tsim hydroxide thiab hydrogen. Nws dissolves hauv cov kua qaub los ua cov ntsev. Barium sals yog lom neeg tshwj tsis yog Barium sulfate. Cov kev txiav txim hlau ua ub no yog ntawm potassium thiab sodium.
Lub sijhawm Post: NOV-04-2024