Yuav ua li cas koj xam qhov muab faib coefficient?
Yuav ua li cas koj xam qhov muab faib coefficient?

Video: Yuav ua li cas koj xam qhov muab faib coefficient?

Video: Yuav ua li cas koj xam qhov muab faib coefficient?
Video: Yuav ua li cas thiaj khiav dim lub ntiajteb no 2024, Tej zaum
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A muab faib coefficient yog qhov piv ntawm cov concentration ntawm cov khoom hauv ib qho nruab nrab lossis theem (C1) mus rau qhov concentration nyob rau theem ob (C2) thaum ob qhov concentrations ntawm equilibrium; uas yog, muab faib coefficient = (C1/C2)sib npaug. Cov units ntawm C1 thiab C2 tej zaum yuav txawv.

Ib yam li ib tug yuav nug, koj ua li cas txiav txim siab qhov sib faib coefficient ntawm cov tshuaj?

Cov muab faib coefficient ntawm cov tshuaj tej zaum txiav txim siab los ntawm co nws nrog qhov sib npaug ntawm ob qhov sib npaug ntawm cov kuab tshuaj (cov organic txheej, uas yog saturated nrog dej, thiab cov aqueous. tshuaj daws) kom txog thaum muaj kev sib npaug. Cov ntsiab lus ntawm tshuaj nyob rau hauv ib qho ntawm cov txheej yog txiav txim siab thiab tus nqi raug xam.

Tsis tas li ntawd, dab tsi yog suav tias yog qhov sib faib siab coefficient? … unit of ntsuas hu ua muab faib coefficient . Qhov ntau dua qhov solubility ntawm ib yam khoom, lub siab dua nws muab faib coefficient , thiab cov siab dua tus muab faib coefficient , cov siab dua lub permeability ntawm daim nyias nyias rau cov khoom tshwj xeeb.

Yog li, qhov sib faib coefficient hauv chromatography yog dab tsi?

Partition Coefficient . Cov muab faib coefficient yog lub equilibrium kev faib tawm ntawm ib qho kev ntsuas nruab nrab ntawm theem qauv thiab theem roj. Cov qauv yuav tsum tau npaj kom ua kom qhov siab tshaj plaws ntawm cov khoom tsis hloov pauv hauv lub taub hau thiab txo qis qhov tsis xav tau los ntawm lwm cov tebchaw hauv cov qauv matrix.

Dab tsi yog qhov pom kev sib faib coefficient?

Cov pom meej muab faib coefficient (log P,,,), raws li qhia ntawm no, sawv cev rau kev faib tawm ntawm cov sums ntawm ob qho tib si ionized thiab non-ionized solute molecules ntawm ob theem ntawm kev xeem system.

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