Kodi barium ndi heavy metal? Kodi ntchito zake ndi zotani?

Bariumndi heavy metal. Zitsulo zolemera zimatanthawuza zitsulo zokhala ndi mphamvu yokoka yaikulu kuposa 4 mpaka 5, ndipo mphamvu yokoka ya barium ndi pafupifupi 7 kapena 8, kotero barium ndi chitsulo cholemera. Mankhwala a Barium amagwiritsidwa ntchito popanga mtundu wobiriwira muzozimitsa moto, ndipo barium yachitsulo ingagwiritsidwe ntchito ngati degassing wothandizira kuchotsa mpweya wotuluka m'machubu a vacuum ndi machubu a cathode ray, komanso ngati degassing woyenga zitsulo.
Barium yoyera 99.9

1 Kodi barium ndi chitsulo cholemera?Barium ndi chitsulo cholemera. Chifukwa: Zitsulo zolemera zimatanthawuza zitsulo zokhala ndi mphamvu yokoka yaikulu kuposa 4 mpaka 5, ndipo mphamvu yokoka ya barium ndi pafupifupi 7 kapena 8, kotero barium ndi heavy metal. Mau oyamba a barium: Barium ndi chinthu chogwira ntchito muzitsulo zamchere zamchere. Ndi chitsulo chofewa cha alkaline padziko lapansi chokhala ndi zonyezimira zoyera zasiliva. Mankhwalawa amagwira ntchito kwambiri, ndipo barium sichinapezekepo m'chilengedwe. Mchere wambiri wa barium m'chilengedwe ndi barium sulfate ndi barium carbonate, zonse zomwe sizisungunuka m'madzi. Kugwiritsa ntchito barium: Mankhwala a Barium amagwiritsidwa ntchito kupanga zobiriwira muzozimitsa moto, ndizitsulo za bariumangagwiritsidwe ntchito ngati degassing wothandizira kuchotsa trace mipweya mu machubu vacuum ndi cathode ray machubu, ndi degassing wothandizila kuyenga zitsulo.

2 Kodi barium amagwiritsidwa ntchito bwanji? Bariumndi mankhwala okhala ndi chizindikiro cha mankhwala Ba. Barium ili ndi ntchito zambiri, ndipo zotsatirazi ndi zina mwazomwe zimagwiritsidwa ntchito nthawi zambiri:

1. Mankhwala a Barium amagwiritsidwa ntchito ngati zopangira ndi zowonjezera m'makampani. Mwachitsanzo, mankhwala a barium angagwiritsidwe ntchito kupanga phosphor yowunikira, zoyatsira moto, zowonjezera ndi zopangira.

2. Barium angagwiritsidwe ntchito kupanga machubu a X-ray, omwe amagwiritsidwa ntchito kwambiri m'madera azachipatala ndi mafakitale. X-ray chubu ndi chipangizo chomwe chimapanga X-ray kuti azindikire ndi kuzindikira.

3. Magalasi otsogola a Barium ndi magalasi omwe amagwiritsidwa ntchito kwambiri, omwe nthawi zambiri amagwiritsidwa ntchito popanga zida zowonera, ma telescopes, ndi ma lens ang'onoang'ono, ndi zina zambiri.

4. Barium imagwiritsidwa ntchito ngati chowonjezera ndi chigawo cha alloy pakupanga batri. Itha kusintha magwiridwe antchito a batri ndikusunga mphamvu.

5. Mankhwala a barium amagwiritsidwanso ntchito popanga zinthu monga mankhwala ophera tizilombo, zoumba, ndi matepi a maginito.

6. Mankhwala a Barium angagwiritsidwenso ntchito poletsa tizilombo toyambitsa matenda ndi namsongole mu udzu ndi minda ya zipatso.Chonde dziwani kuti barium ndi chinthu chakupha, kotero muyenera kusamala mukamagwiritsa ntchito ndi kugwiritsira ntchito mankhwala a barium, ndikutsatira njira zoyenera zotetezera ndi machitidwe okhazikika.

3 Kodi barium ion imayenda ndi chiyani?Ma ion a barium amadzaza ndi ayoni a carbonate, ayoni a sulphate, ndi ayoni a sulfite. Barium ndi gawo la zitsulo zamchere zamchere, zomwe zili mu nthawi yachisanu ndi chimodzi ya gulu la IIA mu tebulo la periodic, chinthu chogwira ntchito pakati pa zitsulo zamchere zamchere, ndi zitsulo zofewa zamchere zamchere zokhala ndi luster yoyera. barium sichinapezekepo m'chilengedwe. Mchere wambiri wa barium m'chilengedwe ndi barite (barium sulfate) ndi witherite (barium carbonate), zonse zomwe sizisungunuka m'madzi. Barium inatsimikiziridwa ngati chinthu chatsopano mu 1774, koma sichinatchulidwe ngati chitsulo chachitsulo mpaka posakhalitsa kupangidwa kwa electrolysis mu 1808. kuyaka. Mchere wa Barium umagwiritsidwa ntchito ngati pigment yoyera yapamwamba kwambiri. Metallic barium ndi deoxidizer yabwino kwambiri pakuyenga mkuwa: chakudya (njira yodziwira matenda ena am'mimba ndi am'mimba. Wodwala akatenga barium sulfate, X-ray fluoroscopy kapena kujambula imagwiritsidwa ntchito). Chonyezimira pang'ono komanso ductile. Kachulukidwe 3.51 g/cm3. Malo osungunuka 725 ℃. Malo otentha 1640 ℃. Valence +2. Mphamvu ya ionization 5.212 ma electron volts. Mankhwalawa amagwira ntchito ndipo amatha kuchitapo kanthu ndi zinthu zambiri zopanda zitsulo. Kuwotcha pa kutentha kwakukulu ndi mpweya kumatulutsa barium peroxide. Imakhala ndi okosijeni mosavuta ndipo imatha kuchitapo kanthu ndi madzi kupanga hydroxide ndi haidrojeni. Amasungunuka mu asidi kupanga mchere. Mchere wa Barium ndi poizoni kupatula barium sulphate. Dongosolo la ntchito yachitsulo lili pakati pa potaziyamu ndi sodium.

mchere wa barium

 


Nthawi yotumiza: Nov-04-2024