Cov khoom siv twg tuaj yeem siv rau kev tso kua dej?
Cov khoom siv twg tuaj yeem siv rau kev tso kua dej?

Video: Cov khoom siv twg tuaj yeem siv rau kev tso kua dej?

Video: Cov khoom siv twg tuaj yeem siv rau kev tso kua dej?
Video: Xov Xwm neeg phem muab tsuaj lom nas tso rau dej qab zib hau tuag ob leeg & neeg thov khawv coob 2024, Hlis ntuj nqeg
Anonim

Beakers (daim duab) -9) thiab Erlenmeyer flasks (daim duab 1-10) yog feem ntau siv rau khaws cia thiab sib tov kua.

Tsis tas li cov lus nug yog, cov khoom siv twg yog siv los ntsuas cov kua dej?

Cov tub ntxhais kawm feem ntau paub txog kev kawm tiav cylinders, uas yog siv rau ntsuas thiab dispense paub ntim ntawm kua . Lawv raug tsim los muaj cov ntsuas ntim nrog qhov yuam kev ntawm 0.5 mus rau 1%.

Ib yam li ntawd, cov cuab yeej twg siv los ntim cov kua? A lub khob yog ib lub cylindrical iav los yog yas raj siv los tuav cov kua. Nws yog ntau lub hom phiaj ntawm cov cuab yeej siv rau kev muaj cov tshuaj tiv thaiv, ntsuas cov kua dej, ua kom sov rau hauv cov nplaim taws ntawm Bunsen los yog sib sau ua ke hauv kev sim titration.

Ib sab saum toj no, cov khoom siv twg yog siv rau cua sov lwm yam khoom?

lab khoom siv thiab siv

NPE Siv
iav do rod Siv los ua kom cov kua dej sib tov. Lawv feem ntau yog ua los ntawm iav.
kawm tiav lub tog raj kheej Siv los ntsuas qhov ntim ntawm cov kua.
phaj kub Siv rau cov khoom cua sov thiab cov kua dej hauv beakers thiab flasks.
Meker Burner Siv rau cua sov thiab nthuav tawm cov khoom rau nplaim taws.

Dab tsi yog siv los faib cov kua me me?

Ib tug pipette, tseem hu ua ib tug tshuaj dropper, yog ib tug iav los yog yas raj siv mus nqus cov kua me me pab kom hloov cov ua kua los ntawm ib qhov chaw.

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