Video: Dab tsi ntawm impurities tuaj yeem raug tshem tawm ntawm cov organic compound los ntawm distillation?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Ua haujlwm zoo, distillation tuaj yeem tshem tawm mus txog 99.5 feem pua impurities los ntawm dej, suav nrog cov kab mob, hlau, nitrate, thiab cov khoom tawg.
Ib yam li ntawd, koj tuaj yeem nug, Dab tsi Tsis tuaj yeem raug tshem tawm ntawm distillation?
Cov dej Distilled tshem tawm cov ntxhia thiab cov kab mob Distillation yuav tsis tshem tawm tag nrho cov tshuaj tab sis tshem tawm cov ntxhia hauv dej (piv txwv li, calcium, magnesium, thiab phosphorous) thiab cov hlau hnyav hnyav xws li txhuas, arsenic, thiab mercury. Qee cov tshuaj ntawm kev txhawj xeeb tsim cov tshuaj lom neeg thaum lub sijhawm cua sov.
Ib sab saum toj no, dab tsi yog txoj kev sib txawv ntawm purifying ib qho organic sib tov? Hom Purification
- Yooj yim crystallisation.
- Fractional crystallisation.
- Sublimation.
- Yooj yim distillation.
- Fractional distillation.
- Distillation nyob rau hauv txo siab.
- Chav distillation.
- Azeotropic distillation.
Tib neeg kuj nug, hom twg yog siv los tshem tawm impurities hauv cov khoom?
Recrystalization. Recrystallization yog qhov tseem ceeb txoj kev rau purifying khoom organic tebchaw. Cov tshuaj tau los ntawm tej yam ntuj tso los yog los ntawm cov tshuaj tiv thaiv sib tov yuav luag ib txwm muaj impurities . Cov impurities tuaj yeem suav nrog qee qhov sib xyaw ua ke ntawm insoluble, soluble, thiab xim impurities.
Puas muaj lwm txoj hauv kev sib nrug ntawm sublimation uas tuaj yeem siv rau hauv kev ua kom huv ntawm cov organic sib txuas?
Organic compounds yog tau los ntawm natural resources. Thaum cov no tshuaj sib xyaw tau, lawv nyob hauv lawv daim ntawv tsis huv. Yog li ntawd, ob peb txoj kev ntawm purification ntawm cov organic tebchaw , lawv sublimation , crystallization, distillation, sib txawv extraction, chromatography.
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