Video: Yuav ua li cas ntxuav gallium?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Abstract. Ua kua dej gallium tuaj yeem ntxuav tau nce nrog yooj yim dua los ntawm thawj qhov khov nws zoo hauv qab 0oC, tom qab ntawd sau nrog lub tshuab nqus tsev huv si los yog maj mam scraping. Freezing yuav ua tiav los ntawm kev thov cov dej khov qhuav ncaj qha rau ntawm gallium los yog rov qab sab ntawm ib tug hlau uas lub gallium ua paug.
Ib yam li ntawd, nws puas muaj kev nyab xeeb los tuav gallium?
Ntshiab gallium tsis yog ib yam khoom phem rau tib neeg kov. Nws tau ua tuav ntau zaus tsuas yog rau qhov yooj yim txaus siab ntawm saib nws yaj los ntawm cov cua sov tawm ntawm ahuman tes. Txawm li cas los xij, nws paub tias yuav tawm ntawm tes. Ib txhia gallium Txawm li cas los xij, cov khoom xyaw tuaj yeem ua rau muaj kev phom sij heev.
Tsis tas li ntawd, gallium puas muaj kev phom sij? Gallium yog ib tug silvery-dawb kua nyob rau hauv chav tsev kub. Kev noj cov khoom no tuaj yeem ua rau muaj tshuaj lom. Nws yog corrosive rau aluminium. Yog tias raug kub hnyiab, gallium tuaj yeem tawm cov pa phem uas tuaj yeem tsim cov tshuaj corrosivealkaline nrog dej.
Ntxiv mus, puas gallium stain tawv nqaij?
Zoo li feem ntau cov hlau, muab faib ua kom zoo gallium losesits luster thiab hmoov gallium zoo li grey. Yog li ntawd, thaum gallium yog tuav nrog txhais tes liab qab, qhov zoo tshaj plaws finedispersion ntawm kua gallium droplets, uas tshwm sim los ntawm wetting tawv nqaij nrog cov hlau, tej zaum yuav tshwm sim raws li ib tug grey tawv nqaij.
Koj siv Gallium li cas?
Cias muab daim ntawm gallium nyob rau hauv xib-teg ntawm koj txhais tes thiab cia lub warmth ntawm koj lub cev kub ua hauj lwm! Themelting point ntawm gallium yog 29.76 C (85.57 F), yog li nws yuav yaj hauv koj txhais tes lossis hauv chav sov heev.
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