Video: Nws txhais li cas kom qhuav koj cov organic txheej?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Hauv kev xyaum, tus zaum kawg ntxuav hauv a ua hauj lwm yog feem ntau yog ua nrog brine los yog lwm yam ntsev tov. Los ntawm ziab cov organic theem koj tshem tawm tus dej thiab ntawm tus tib lub sij hawm los nag tus ntsev, uas koj tom qab lim tawm ua ke nrog qhov ziab tus neeg sawv cev.
Ua li no, vim li cas nws thiaj li yuav tsum tau qhuav cov organic txheej?
Cov ziab Tus neeg sawv cev yog ua haujlwm los tshem tawm cov dej kom 100C feem raug tshem tawm rau distillation, tab sis kuj nqus dej thiab cov impurities nqa hauv cov dej. theem . Yog tias koj txhawj xeeb txog qhov purity ntawm koj cov khoom, ziab nws ua rau kom muaj feem ntau ntawm kev tshem tawm tau impurities.
Tsis tas li ntawd, lub hom phiaj ntawm kev ntxuav cov organic txheej nrog dej yog dab tsi? Cov lub hom phiaj ntawm no ntxuav yog tshem tawm ntau npaum li cas dej tshaj yuav yaj nyob rau hauv lub organic txheej . Txawm hais tias lub organic txheej yuav tsum ib txwm raug tom qab kom qhuav tus neeg sawv cev (xws li anhydrous sodium sulfate, magnesium sulfate, los yog calcium chloride), cov reagents ntawm qhov zoo tshaj plaws tshem tawm tsuas yog me me. dej.
Hais txog qhov no, koj ua li cas qhuav cov txheej txheem organic?
Rau qhuav koj organic khoom los ntawm txoj kev no, tso lub organic tshuaj nyob rau hauv ib tug cais funnel. Cov organic Cov kuab tshuaj tuaj yeem yog cov kuab tshuaj uas tsis muaj dej. Ntxiv ib qho nyiaj saturated aqueous sodium chloride, tsawg dua los yog sib npaug rau tus nqi ntawm organic daws koj muaj.
Lub hom phiaj ntawm kev ziab khaub ncaws yog dab tsi?
A tshuab ziab khaub ncaws yog ib qho tshuaj siv los tshem tawm dej los ntawm cov organic compound uas yog nyob rau hauv kev daws. Hauv kev tsim lossis cais cov tshuaj sib xyaw ua ke lawv feem ntau ua paug nrog dej. Cov neeg ua kom qhuav tuaj yeem ua tau zoo li Calclium chloride, Potassium chloride, lossis Magnesium sulfate.
Pom zoo:
Ntev npaum li cas nws thiaj siv cov pob zeb qhuav kom qhuav?
Cia cov ntawv thov tshiab qhuav qhuav. Lub sijhawm qhuav yuav sib txawv raws qhov kub, av thiab huab cua ntws. Hauv qhov xwm txheej zoo tshaj plaws, cov pob zeb yuav qhuav rau qhov kov hauv 15-20 feeb; Txawm li cas los xij, tag nrho lub sijhawm kho yog 24 teev. Rov ua dua yog xav tau ntau xim ntxiv
Koj puas tuaj yeem siv lub tshuab ziab plaub hau kom qhuav cua qhuav av nplaum?
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Vim li cas nws tseem ceeb kom qhuav cov organic theem ua ntej tshem tawm cov kuab tshuaj?
Lub tshuab ziab khaub ncaws yog ua haujlwm kom tshem tawm cov dej kom 100C feem raug tshem tawm rau distillation, tab sis kuj yuav nqus dej thiab cov impurities nqa nyob rau hauv lub aqueous theem. Yog tias koj txhawj xeeb txog qhov purity ntawm koj cov khoom, ziab nws zoo heev ua rau kom tshem tau cov impurities
Nws txhais li cas kom qhuav hauv lub ru tsev?
Dry In yog dab tsi? Qhuav nyob rau hauv kom zoo dua tsis muaj ib lub sij hawm yog ua ib lub tsev impervious rau nag los yog luv luv rau qhuav hauv. Hauv luv luv, ziab hauv ib qho qauv txhais tau hais tias lub ru tsev tau tiv thaiv tsawg kawg yog ib txheej ntawm kev xav, ib yam khoom zoo li Tyvek Housewrap tau teeb tsa, nrog rau tag nrho cov qhov rais thiab qhov rooj