Dab tsi yog lub hom phiaj ntawm dichloromethane hauv kev rho tawm caffeine?
Dab tsi yog lub hom phiaj ntawm dichloromethane hauv kev rho tawm caffeine?

Video: Dab tsi yog lub hom phiaj ntawm dichloromethane hauv kev rho tawm caffeine?

Video: Dab tsi yog lub hom phiaj ntawm dichloromethane hauv kev rho tawm caffeine?
Video: lub hom phiaj loj tshaj plaws ntawm kev ntseeg yog dab tsi 2024, Kaum ib hlis
Anonim

Teb thiab piav qhia: Dichloromethane yog siv vim nws yog me ntsis hydrophobic thiab caffeine ntau soluble nyob rau hauv nws piv rau dej.

Kuj paub, vim li cas dichloromethane siv rau hauv kev rho tawm caffeine?

Ntawm no yog cov organic hnyav Cov tshuaj dichloromethane yog siv los extract caffeine los ntawm aqueous rho tawm ntawm tshuaj yej nplooj vim caffeine yog ntau soluble nyob rau hauv Cov tshuaj dichloromethane (140 mg / ml) dua li hauv dej (22 mg / ml). Caffeine tuaj yeem ua rau lub paj hlwb thiab tuaj yeem ua rau kom cov leeg ua pa thiab mob plawv.

Yuav ua li cas dichloromethane extract cov caffeine los ntawm tshuaj yej? Lwm txoj kev kom tshem tawm caffeine los ntawm tshuaj yej yog rau brew tshuaj yej hauv dej kub, cia nws rau txias rau chav kub los yog hauv qab no, thiab ntxiv dichloromethane rau tus tshuaj yej . Cov caffeine nyiam dissolves nyob rau hauv Cov tshuaj dichloromethane , yog li yog tias koj swirl cov tshuaj thiab tso cai rau cov txheej txheem hnyav rau cais.

Kuj tseem paub yog, vim li cas DCM siv rau kev rho tawm?

Cov DCM yog qhov xav tau hnyav kom tau sau rau hauv peb rho tawm vim nws muaj feem ntau ntawm caffeine yaj nyob rau hauv nws. Cov DCM extract yog sau los ntawm funnel thiab ntau dua DCM yog ntxiv thiab cov txheej txheem rov ua dua ib zaug rho tawm . Qhov no ua rau peb cov qoob loo tag nrho.

Vim li cas peb rho caffeine los ntawm tshuaj yej hauv paus?

Thaum twg koj boil tshuaj yej nplooj tannins yaj hauv dej thiab caffeine . Cov puag Hloov cov tannins rau hauv lawv cov ntsev ntsev - ua ionic cov ntsev yog tsis soluble nyob rau hauv cov kuab tshuaj xws li methylene chloride thiaj li nyob twj ywm nyob rau hauv lub aqueous txheej thaum lub sij hawm rho tawm . Qhov no tso cai rau purer caffeine ua rho tawm.

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