Dab tsi yog txhais los ntawm qhov chaw nres tsheb thiab txawb?
Dab tsi yog txhais los ntawm qhov chaw nres tsheb thiab txawb?
Anonim

Cov nyob ruaj khov theem yog cov theem uas tsis txav thiab mobile theem yog cov theem uas txav. Cov mobile theem txav los ntawm nyob ruaj ruaj khaws cov khoom sib xyaw kom raug kuaj.

Tom qab ntawd, ib tus tuaj yeem nug, dab tsi yog txhais tau los ntawm theem nyob ruaj khov thiab theem mobile hauv chromatography?

Chromatography yog siv los cais cov khoom sib tov rau hauv lawv cov khoom. Lawv txhua tus muaj ib tug nyob ruaj ruaj (ib qho khoom, lossis cov kua dej txhawb rau ntawm cov khoom) thiab a mobile theem (ua kua los yog roj). Cov mobile theem ntws los ntawm nyob ruaj khov theem thiab nqa cov khoom ntawm qhov sib tov nrog nws.

Kuj Paub, dab tsi yog qhov chaw nres tsheb ntawm chromatography? chromatography . Hauv kev sib cais thiab purification: Chromatography . Feem ntau, cov nyob ruaj khov theem yog aporous khoom (piv txwv li, iav, silica, los yog alumina) uas tau ntim rau hauv iav los yog hlau raj los yog uas ua rau cov phab ntsa ntawm ib tug qhib-tubecapillary. Qhov mobile theem ntws los ntawm lub txaj packed orcolumn.

Kuj paub, qhov txawv ntawm qhov chaw nres tsheb thiab theem mobile yog dab tsi?

Cov nyob ruaj khov theem yog cov khoom khi rau qhov tsis txav ntawm cov chromatograph. Cov txheej txheem rau beseparated kauj ruam ntawm lub mobile theem mus rau nyob ruaj ruaj ib. Lawv siv nyob ntawd txawv lub sij hawm ua ntej kauj ruam rov qab mus rau lub mobile theem . Dab tsi yog cov qhov sib txawv ntawm tus mobile theem thiab nyob ruaj khov theem ?

Dab tsi tshwm sim thaum lub sij hawm nyob ruaj khov?

… kev loj hlob yog ua raws li cov nyob ruaj ruaj , hauv uas qhov loj ntawm cov pejxeem ntawm cov kab mob tseem nyob tas li, txawm tias qee lub hlwb txuas ntxiv faib thiab lwm tus pib tuag. Cov nyob ruaj khov theem yog ua raws li txoj kev tuag theem , hauv uas cov cell tuag hauv cov pejxeem coob tshaj qhov…

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