vim li cas thiaj pom qhov tseem ceeb hauv chemistry

Kev lim dej yog txheej txheem tseem ceeb hauv chemistry, vim nws ua lub luag haujlwm tseem ceeb hauv kev sib cais cov khoom sib xyaw thiab lim dej.

Lub hom phiaj tseem ceeb ntawm kev pom yog tshem tawm impurities thiab pliaj hais los ntawm ib tug sib tov los yog tov. Qhov no yog qhov tseem ceeb hauv chemistry, vim tias ntau cov tshuaj tiv thaiv muaj kev nkag siab zoo rau cov kab mob me me. Piv txwv li, hauv kev tsim tshuaj, purity yog qhov tseem ceeb tshaj plaws, vim tias cov khoom tsis huv hauv cov khoom kawg tuaj yeem muaj kev cuam tshuam tsis zoo rau cov neeg mob noj qab haus huv.

Kev lim dej kuj tseem pab cais cov khoom sib txawv ntawm lub cev, xws li qhov loj, cov duab, lossis qhov ntom ntom. Qhov no muaj txiaj ntsig zoo hauv kev tsim cov khoom sib nqus, vim nws tso cai rau peb cais cov khoom sib nqus los ntawm cov khoom tsis sib nqus.

Ntau hom kev pom yog siv hauv chemistry, suav nrog kev nqus pom, nqus pom, thiab centrifugation. Txhua txoj kev no muaj nws qhov zoo thiab tsim nyog rau kev siv tshwj xeeb.

Raws li cov chaw tsim khoom ntawm cov khoom sib nqus, peb tshwj xeeb hauv kev sib nqus pom. Magnetic filtration yog ib txoj hauv kev ua tau zoo thiab muaj txiaj ntsig ntawm kev sib cais cov kab mob sib nqus ntawm cov kua thiab roj. Nws koom nrog kev siv lub teb sib nqus kom nyiam thiab ntes cov khoom sib nqus, tso cai rau kev tshem tawm yooj yim ntawm kev daws teeb meem.

Peb cov khoom siv hlau nplaum yog tsim los rau ntau yam kev siv, suav nrog kev tsim tshuaj, kev kho dej khib nyiab, khoom noj khoom haus thiab dej haus, thiab lwm yam. Peb muab cov kev daws teeb meem customized kom tau raws li cov kev xav tau tshwj xeeb ntawm peb cov neeg siv khoom, kom ntseeg tau qhov siab tshaj plaws ntawm purity thiab cov khoom zoo.