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Reagent yuav tsum tau thiab cov sawv cev tseem ceeb ntawm cov tshuaj concentration.

2022-12-23

Cov dej siv hauv txoj kev sim yuav tsum xa mus rau cov dej distilled lossis dej deionized yog tias tsis muaj lwm yam kev xav tau qhia. Thaum cov kuab tshuaj ntawm cov tshuaj tsis tau teev tseg, nws hais txog cov tshuaj aqueous. Thaum cov ntsiab lus tshwj xeeb ntawm H2SO4, HNO3, HCL thiab NH3·H2O tsis tau teev nyob rau hauv txoj kev sim, txhua tus xa mus rau qhov concentration ntawm cov khoom lag luam reagent specifications. Qhov poob ntawm cov kua yog hais txog qhov poob ntawm cov dej distilled ntws los ntawm tus qauv dropper, uas yog sib npaug rau 1.0mL ntawm 20 ° C.

Kev daws teeb meem tuaj yeem nthuav tawm hauv cov hauv qab no:
Rau tus qauv concentration (uas yog, qhov concentration ntawm ib yam khoom): nws yog txhais raws li tus nqi ntawm cov khoom uas muaj cov kuab tshuaj nyob rau hauv ib chav tsev ntim ntawm tov, chav tsev yog Mol/L

Nyob rau hauv kev faib ua feem rau concentration: uas yog, nyob rau hauv ob peb cov khoom reagent mix mass los yog kua reagent tov ntim naj npawb, tuaj yeem sau ua (1 1) (4 2 1) thiab lwm yam ntaub ntawv

â¹¢ Ntawm qhov loj (ntim) feem: ntawm cov ntsiab lus suav nrog cov feem loj lossis qhov ntim feem ntawm cov lus qhia, tuaj yeem txhais tau tias w lossis Phi.

(4) Yog hais tias cov tshuaj concentration yog qhia nyob rau hauv units ntawm loj thiab muaj peev xwm, nws yuav tsum tau qhia raws li g / L los yog los ntawm nws tsim nyog ntau yam (xws li mg / mL).

Kev xav tau thiab lwm yam kev xav tau rau kev npaj kev daws teeb meem:
Lub purity ntawm reagents thiab cov kuab tshuaj siv nyob rau hauv kev npaj cov tshuaj yuav tsum tau raws li qhov yuav tsum tau ntawm cov khoom tsom xam. Cov tshuaj reagents yog khaws cia rau hauv cov iav tawv fwj, cov tshuaj lye thiab hlau yog muab khaws cia rau hauv cov fwj polyethylene, thiab cov tshuaj tiv thaiv photoproof yog khaws cia rau hauv cov fwj xim av.

Kev ntsuam xyuas sib luag yuav tsum tau ua hauv kev tshuaj xyuas. Kev sawv cev ntawm kev soj ntsuam cov txiaj ntsig yuav tsum ua raws li cov qauv kev noj qab haus huv ntawm cov zaub mov, thiab kev suav thiab tus nqi ntawm cov ntaub ntawv yuav tsum ua raws li txoj cai ntawm cov lej tseem ceeb thiab txoj cai ntawm kev xaiv tus lej.

Cov txheej txheem tshuaj xyuas yuav tsum tau ua raws li nruj raws li cov txheej txheem tshuaj ntsuam uas tau teev tseg hauv tus qauv, thiab kev tiv thaiv kev tiv thaiv yuav tsum raug coj los tiv thaiv yam tsis zoo (kev lom, tawg, xeb, hlawv, thiab lwm yam) hauv kev sim. Kev kuaj lub cev thiab tshuaj lom neeg ua haujlwm siv tshuaj xyuas kev tswj xyuas zoo. Raws li kev tsim cov kev qhia tshwj xeeb zoo, txoj kev txiav txim siab yuav tsum muaj kev txwv tsis pub muaj kev txwv, qhov tseeb, qhov tseeb, kos cov qauv nkhaus cov ntaub ntawv thiab lwm yam kev ntsuas. Cov kws tshuaj ntsuam xyuas yuav tsum sau cov ntaub ntawv soj ntsuam.

Yav dhau los:Vim li cas cell kab lis kev cai lyse qe ntshav liab ua ntej?

Tom ntej no:PCR phaj yog dab tsi