Dab tsi hnyav tuaj yeem hloov dichloromethane?

Tsis muaj ib qho hnyav uas tuaj yeem hloov pauv dichloromethane (DCM, CAS 75-09-2) hauv txhua daim ntawv thov.

Txawm li cas los xij, nyob ntawm tus txheej txheem, lwm cov kev xaiv muaj xws li ethyl acetate, acetone, methyl tert -butyl ether (MTBE), thiab dimethyl carbonate (DMC).

Cov kev xaiv tseem ceeb los ntawm Daim Ntawv Thov

Extractions

Ethyl acetate yog ib qho tseem ceeb, ntsuab lwm txoj hauv kev rau feem ntau cov txheej txheem rho tawm. MTBE yog ib qho kev xaiv zoo vim nws tsis tsim cov peroxides, thiab 2-MeTHF yog cov kuab tshuaj ruaj khov ua los ntawm kev ua liaj ua teb pov tseg.

Chromatography

Cov txheej txheem hnyav hnyav suav nrog 3: 1 sib xyaw ntawm ethyl acetate nrog ethanol lossis methanol, nrog rau kev sib xyaw ntawm heptane thiab ethyl acetate.

Ntxuav / Degreasing

Acetone, methyl ethyl ketone (MEK), thiab cov esters tshwj xeeb ua haujlwm tau zoo los hloov cov xim thiab cov resins.

Reaction Solvents

Dimethyl carbonate thiab acetonitrile tuaj yeem hloov DCM hauv qee qhov kev cuam tshuam cov organic xws li txo cov amination.

Tau txais koj daim ntawv xaj lossis tso koj daim ntawv xaj hnub no!

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