Nqe Lus Nug: Thaum npaj lub buret rau siv hauv chav kuaj, lub buret yuav tsum tau muab ntxuav kom huv si. Ua ntej yuav ntim cov tshuaj, lub buret yog yaug ib zaug kawg.
Yuav ua li cas thiaj tsim nyog rau kev npaj buret rau titration?
Ib buret yog primed los ntawm tso li 5 mL ntawm titrant nyob rau hauv lub buret. Ua tib zoo, tuav lub buret kab rov tav hla lub dab dej thiab tig nws kom tag nrho sab hauv yog coated nrog titrant. Muab cov primed buret tso rau hauv lub buret clamp.
burette yog dab tsi?
10 mL burettes feem ntau kawm tiav txhua 0.05 mL, thaum 25 mL thiab 50 mL burettes feem ntau kawm tiav txhua 0.1 mL. Qhov ntawd txhais tau hais tias 50 mL burettes muaj qhov kev daws teeb meem siab tshaj plaws. 0.050 mL tawm ntawm 50 mL yog 0.1%, thiab qhov ntawd yog qhov siab tshaj plaws uas peb tuaj yeem tau txais los ntawm kev ntsuas ntim thaum siv burette.
Qhov txawv ntawm burette thiab pipette yog dab tsi?
A burette yog lub khob iav tiav nrog tus kais ntawm ib qho kawg, rau kev xa cov kua dej paub, tshwj xeeb tshaj yog nyob rau hauv titrations. … Burettes muaj stopcock nyob rau hauv qab thaum lub pipette muaj ib tug dropper zoo li lub kaw lus uas tso kua rau hauv qhov xav tau los ntawm kev txo lub nqus tsev vacuum.
Vim li cas koj yaug buret nrog titrant?
Titration yog ib txoj kev tshuaj ntsuam xyuas, uas tso cai rau kwv yees qhov concentration ntawm cov tshuaj muab. Yog li, koj yuav tsum yaug cov burette nrog cov tshuaj uas yuav tsum tau sau rau hauv nws, vim cov dej distilled hloov qhov concentration ntawm cov tshuaj thawj zaug.
