Ob chav distillation Ob-distilled dej (abbreviated "ddH 2 O", "Bidest. water" los yog "DDW") yog npaj los ntawm slow boiling the tsis muaj kab mob condensed dej vapor los ntawm ib tug qeeb boiling.
txhais tau tias yog dej distilled?
Cov dej distilled yog purified ntawm distillation i.e boiling thiab ces condensation ntawm cov dej. Yog li, ob lub distilled dej muaj g dhau los ntawm cov txheej txheem ntawm distillation ob zaug. Thaum mQ dej tau deionised / demineralised thiab dhau los ntawm lim kom tshem tawm tag nrho cov ntaub ntawv lub neej lossis kho nrog UV-irradiation.
Vim li cas peb thiaj siv cov dej distilled?
- Ob chav dej distilled feem ntau siv hauv chav kuaj thaum ib qho dej distillation tsis muaj purity txaus rau qee cov ntawv thov kev tshawb fawb. - Thaum cov dej distilled txaus rau feem ntau cov tshuaj tiv thaiv, ib tug molecular biologist sim tsim kom tsis muaj menyuam, enzyme-dawb xov xwm yuav siv bidest.
Yuav ua li cas dej distilled hauv tsev?
txheej txheem ntawm distilling yog yooj yim. Kub kais dej mus rau qhov uas nws tig mus rau vapor. Thaum cov vapor condenses rov qab mus rau dej, nws tawm tom qab ib qho ntxhia residue. Lub resulting condensed kua yog distilled dej.
Dab tsi yog txheej txheem distillation?
Nyob rau hauv ob chav distillation, raws li cov kua nyob rau hauv lub tseem (lub ntxuav, uas yog muaj xws li dej, txog 8% cawv thiab congeners)boils, cawv thiab tsw congeners yuav cais ntawm dej, vaporise thiab taug kev mus rau qhov tseem mus rau hauv lub condenser uas lawv tau sau ua ntej distilled ib zaug ntxiv nyob rau hauv tus ntsuj plig …
