Hauj lwm lawm
Kev tsis
Peb refined n-heptane yog tsim los ntawm cov txheej txheem purification tob. Nws muaj purity siab, tsis muaj dej noo thiab tsis muaj teeb meem impurities, ua tau raws li kev lag luam nruj.
Nws ua raws li inert hnyav hauv cov organic synthesis, extraction thiab recrystallization txheej txheem. Nws tsis koom nrog cov tshuaj tiv thaiv, pab txhim kho cov khoom purity thiab tawm los.
Nws yog dav siv hauv tshuaj, tshuaj tua kab thiab tsw ntau lawm. Peb tuaj yeem kho cov khoom ntsuas raws li cov neeg siv khoom tshwj xeeb xav tau.
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