Video: Lub hauv paus ntsiab lus ntawm nyias txheej chromatography yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Chromatography ua haujlwm ntawm txoj cai uas sib txawv tebchaw yuav muaj sib txawv solubilities thiab adsorption rau ob theem ntawm uas lawv yuav tsum tau muab faib. Nyias Txheej Chromatography ( TLC ) yog cov txheej txheem ua kua uas ob theem yog cov khoom (stationary phase) thiab cov kua (qib txav).
Ib yam li ntawd, nws tau nug, dab tsi yog txheej nyias nyias chromatography thiab nws ua haujlwm li cas?
Nyias - txheej chromatography ( TLC ) yog a chromatography txheej txheem siv los cais cov tsis-volatile sib tov. Tom qab cov qauv tau thov rau ntawm lub phaj, cov kuab tshuaj los yog cov kuab tshuaj sib tov (lub npe hu ua lub sijhawm txawb) yog kos rau ntawm lub phaj ntawm capillary nkaus.
Tom qab, lo lus nug yog, dab tsi yog qhov txwv ntawm nyias txheej chromatography? Disadvantages ntawm TLC suav nrog daim ntawv thov rau cov tsis muaj hluav taws xob nkaus xwb, tsis muaj peev xwm daws teeb meem (cov lej sib cais lossis qhov siab tshaj plaws ntawm 10-50), thiab tsis muaj cov tshuab ua haujlwm siab, txawm hais tias tus kheej cov kauj ruam ntawm cov txheej txheem tuaj yeem ua haujlwm.
Yog li ntawd, dab tsi yog qhov tseem ceeb ntawm nyias txheej chromatography?
Nyias - txheej chromatography ( TLC ) yog cov txheej txheem siv ntau heev hauv cov khoom siv hluav taws xob rau kev txheeb xyuas cov tebchaw, txiav txim siab lawv cov purity thiab ua raws li kev nce qib ntawm cov tshuaj tiv thaiv. Nws kuj tso cai rau optimization ntawm cov kuab tshuaj system rau ib tug muab kev sib cais teeb meem.
Lub hauv paus ntsiab lus ntawm kab chromatography yog dab tsi?
PRINCIPLE . Lub ntsiab txoj cai koom nrog kab chromatography yog adsorption ntawm cov kuab tshuaj ntawm ib qho kev daws teeb meem los ntawm qhov chaw nyob ruaj khov thiab cais cov sib tov rau hauv ib tus neeg cov khoom. Qhov no yog raws li kev sib raug zoo ntawm lub sijhawm mobile thiab nyob ruaj khov.
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