Vim li cas nws thiaj li tsim nyog rau chav kuaj iav iav kom ntsuas tau?
Vim li cas nws thiaj li tsim nyog rau chav kuaj iav iav kom ntsuas tau?

Video: Vim li cas nws thiaj li tsim nyog rau chav kuaj iav iav kom ntsuas tau?

Video: Vim li cas nws thiaj li tsim nyog rau chav kuaj iav iav kom ntsuas tau?
Video: TSIM NYOG XAIV NWS - BY NTXHAIS VAJ(official Music Video)Nkauj Tawm Tshiab. 2024, Tej zaum
Anonim

Titration » Volumetric iav calibration . Muaj peev xwm los ntsuas qhov ntim ntawm cov tshuaj yog qhov tseem ceeb rau qhov tseeb ntawm kev tshuaj xyuas tshuaj. Qhov hnyav tuaj yeem ua tiav nrog qhov tseeb zoo, thiab paub txog qhov ntom ntom ntawm cov dej peb tuaj yeem suav cov ntim ntawm cov dej loj. Yog li peb tuaj yeem txiav txim siab lub peev xwm ntawm qhov tseeb iav.

Kuj paub, vim li cas calibration ntawm glassware tseem ceeb?

Calibration ntawm iav ua ntej siv yog tseem ceeb raws li nws xyuas kom meej tias qhov zoo ntawm kev ntsuas iav los ntawm kev sib piv ntawm lawv lub cev tsis zoo nrog cov qauv ntawm qhov raug siab. Ib txwm siv chav kawm 'A' iav nrog rau nws daim ntawv pov thawj rau kev ntsuas ntsuas.

Tom qab ntawd, lo lus nug yog, vim li cas qhov ntsuas kub yog qhov tseem ceeb hauv calibration? Ambient kub teebmeem: Nws yog ib qho tseem ceeb rau lub sijhawm calibrate ib instrument at a kub nyob ze ntawm qhov uas nws yuav ua haujlwm. Ib puag ncig yam , xws li ambient kub , tuaj yeem qhia qhov yuam kev uas tej zaum yuav tsis tuaj yeem pom tseeb thaum kuaj cov qauv uas tsis paub qhov tseem ceeb.

Ib tug kuj yuav nug, yuav ua li cas yog Burets calibrated?

Kov lub ntsis ntawm lub buret mus rau sab ntawm lub beaker kom tshem tawm qhov poob dai ntawm lub taub. Tom qab li ib feeb, kom tso dej tawm, ua qhov kev nyeem thawj zaug ntawm meniscus, kwv yees qhov ntim rau qhov ze tshaj 0.01 mL. Sau qhov pib nyeem ntawv. Tso cai rau buret sawv ntsug li 5 feeb thiab rov xyuas cov ntawv nyeem.

Lub hom phiaj ntawm calibrating ib pipette yog dab tsi?

A pib yog siv los ntsuas qhov tseeb thiab hloov cov ntim me me ntawm cov kua hauv chav kuaj hauv kev sim uas xav tau qhov tseeb. Nws yog, yog li ntawd, yuav tsum tau xyuas calibration ntawm pipette txhua ob peb lub hlis los xyuas kom meej qhov tseeb los ntawm kev xa cov ntim kom raug.

Pom zoo: