Puas yog cuvette loj cuam tshuam rau kev nqus?

Cov txheej txheem:

Puas yog cuvette loj cuam tshuam rau kev nqus?
Puas yog cuvette loj cuam tshuam rau kev nqus?

Video: Puas yog cuvette loj cuam tshuam rau kev nqus?

Video: Puas yog cuvette loj cuam tshuam rau kev nqus?
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Anonim

Tus absorbance yog ncaj qha proportional rau qhov ntev ntawm txoj kev teeb(l), uas yog sib npaug rau qhov dav ntawm lub cuvette.

Cuvette puas cuam tshuam rau kev nqus?

Ib daim cuvette (nrog rau cov ntiv tes rau ntawm nws) yuav muab me ntsis siab dua absorbance nyeemthiab ntsuas qhov concentration yuav ntau dua li qhov tseeb concentration. Yog li cov lus teb xav tau yog- (B) Kev xav yuav siab dua vim tias ntau lub teeb raug cuam tshuam los yog nqus tau, ua rau kev nyeem ntawv absorbance.

Cov ntaub ntawv nqus dej yuav txawv li cas yog tias koj siv cuvettes uas yog ob npaug ntawm qhov dav?

Yog, ua ob npaug ntawm qhov dav ntawm lub cuvette - ua kom txhua yam tas li - yuav ob npaug ntawm qhov nqus koj ntsuas.

Yam dab tsi cuam tshuam rau kev nqus?

Ob yam tseem ceeb uas cuam tshuam rau kev nqus yog kev sib xyaw ntawm cov tshuaj thiab txoj kev ntev. Kev sib raug zoo ntawm concentration thiab absorbance: Absorbance yog ncaj qha proportional rau cov concentration ntawm cov khoom. Qhov siab dua qhov concentration, nws absorbance ntau dua.

Dab tsi yog qhov nqus dej tsis nyob ntawm?

Raws li Txoj Cai Beer-Lambert, qhov twg ntawm cov hauv qab no absorbance tsis nyob ntawm? Xim ntawm kev daws. Kev daws concentration. Kev ncua deb uas lub teeb tau dhau los ntawm tus qauv.

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