Kev siv zoo heev ntawm quartz iav raj
Quartz iav raj yog ib qho tshwj xeeb kev lag luam iav iav ua los ntawm silica, uas yog cov khoom siv yooj yim heev. Quartz iav muaj cov khoom zoo ntawm lub cev thiab tshuaj lom neeg. Raws li cov chaw tsim khoom quartz raj, hnub no kuv yuav tham nrog koj txog cov kev siv zoo heev ntawm quartz iav raj.
Lub quartz iav raj muaj ntau yam khoom siv sib xyaw thiab cov hmoov zoo quartz, uas ua kom cov ntaub ntawv muaj cov qauv tsis zoo. Qhov saum npoo thiab sab nrauv ntawm lub phaj kuj yog tuab thiab sib xws. Cov dej nqus dej tsawg, thiab qhov sib xws tsuas yog 0,03%. Nws txhais tau hais tias tsis muaj qhov chaw ntub dej ntawm lub hauv paus ntawm cov ntaub ntawv. Cov roj, kua ntses, vinegar, liab cawu cub, tshuaj yej muaj zog, kua txiv, kas fes, kua qaub, alkali thiab lwm yam ntaub ntawv siv nyob rau hauv ib tug neeg chav ua noj tsis tuaj yeem soaked, tsuav yog koj siv tau dej los yog dej tom qab siv txhua zaus. Cov tshuaj ntxuav tes nruab nrab yuav ntxuav lub rooj saum npoo, thiab yuav tsis muaj cov kua nplaum ntawm lub rooj saum npoo. Cov tawv tawv residue tuaj yeem raug tshem tawm tsuas yog los ntawm kev siv tus neeg saib xyuas tu, thiab lwm yam, yuav tsis ntub rau sab nraud ntawm cov ntaub ntawv, thiab lo rau ntawm lub rooj saum npoo los yog hauv lub ces kaum ntawm kev tuag. Cov av tseem tuaj yeem raug tshem tawm nrog lub duav lossis hlau ntaub plaub. Cov av tiv thaiv ntawm cov khoom no yog incomparable rau lwm yam ntaub ntawv.
Ntawm lawv, fused silica iav yog ib qho khoom siv zoo heev infrared, tab sis vim muaj cov impurities, ultraviolet transmittance yog tsawg. Lub quartz iav tau los ntawm melting cov siv lead ua nrog cov nplaim hydrogen-oxygen muaj qhov nqus siab tshaj plaws ntawm 0.24μ vim yog cov qauv ntawm cov pa oxygen thiab muaj OH pawg, yog li qhov kev sib kis ntawm infrared yog qhov tsawg heev. High-purity optical quartz iav refined nrog hluavtaws raw khoom roj yog ib qho zoo dua UV-transmitting khoom, tab sis nws muaj ib tug loj OH nqus ncov ntawm 2.7μ. Tsuas yog cov iav kho qhov muag quartz ua los ntawm cov khoom siv hluavtaws los ntawm hluav taws xob fusion lossis hydrogen-dawb nplaim fusion tuaj yeem xa cov spectrum mus tas li los ntawm ultraviolet mus rau ze infrared.
