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The Selectivity or Separation Factor is defined as the preferential uptake of the solute by the solvent over the carrier. Check FAQs
βC, A=KSoluteKCarrierLiq
βC, A - Selectivity?KSolute - Distribution Coefficient of Solute?KCarrierLiq - Distribution Coefficient of Carrier Liquid?

Selectivity of Solute based on Distribution Coefficients Example

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Here is how the Selectivity of Solute based on Distribution Coefficients equation looks like with Values.

Here is how the Selectivity of Solute based on Distribution Coefficients equation looks like with Units.

Here is how the Selectivity of Solute based on Distribution Coefficients equation looks like.

1.7333Edit=2.6Edit1.5Edit
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Selectivity of Solute based on Distribution Coefficients Solution

Follow our step by step solution on how to calculate Selectivity of Solute based on Distribution Coefficients?

FIRST Step Consider the formula
βC, A=KSoluteKCarrierLiq
Next Step Substitute values of Variables
βC, A=2.61.5
Next Step Prepare to Evaluate
βC, A=2.61.5
Next Step Evaluate
βC, A=1.73333333333333
LAST Step Rounding Answer
βC, A=1.7333

Selectivity of Solute based on Distribution Coefficients Formula Elements

Variables
Selectivity
The Selectivity or Separation Factor is defined as the preferential uptake of the solute by the solvent over the carrier.
Symbol: βC, A
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Distribution Coefficient of Solute
The distribution coefficient of solute is defined as the concentration of solute in the extract phase divided by the concentration of solute in the raffinate phase.
Symbol: KSolute
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Distribution Coefficient of Carrier Liquid
The distribution coefficient of Carrier Liquid is defined as the concentration of carrier liquid in the extract phase divided by the concentration of carrier liquid in the raffinate phase.
Symbol: KCarrierLiq
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.

Other Formulas to find Selectivity

​Go Selectvity of Solute based on Activity Coefficients
βC, A=ΥcRΥcEΥaRΥaE
​Go Selectvity of Solute based on Mole Fractions
βC, A=yCyAxCxA

Other formulas in Distribution Coefficient, Selectivity and Mass Ratio category

​Go Distribution Coefficient of Carrier Liquid from Activity Coefficients
KCarrierLiq=ΥaRΥaE
​Go Distribution Coefficient of Carrier Liquid from Mass Fraction
KCarrierLiq=yAxA
​Go Distribution Coefficient of Solute from Activity Coefficient
KSolute=ΥcRΥcE
​Go Distribution Coefficient of Solute from Mass Fractions
KSolute=yCxC

How to Evaluate Selectivity of Solute based on Distribution Coefficients?

Selectivity of Solute based on Distribution Coefficients evaluator uses Selectivity = Distribution Coefficient of Solute/Distribution Coefficient of Carrier Liquid to evaluate the Selectivity, The Selectivity of Solute based on Distribution Coefficients formula is defined as the ratio of the distribution coefficient of the solute to the carrier liquid. Selectivity is denoted by βC, A symbol.

How to evaluate Selectivity of Solute based on Distribution Coefficients using this online evaluator? To use this online evaluator for Selectivity of Solute based on Distribution Coefficients, enter Distribution Coefficient of Solute (KSolute) & Distribution Coefficient of Carrier Liquid (KCarrierLiq) and hit the calculate button.

FAQs on Selectivity of Solute based on Distribution Coefficients

What is the formula to find Selectivity of Solute based on Distribution Coefficients?
The formula of Selectivity of Solute based on Distribution Coefficients is expressed as Selectivity = Distribution Coefficient of Solute/Distribution Coefficient of Carrier Liquid. Here is an example- 1.733333 = 2.6/1.5.
How to calculate Selectivity of Solute based on Distribution Coefficients?
With Distribution Coefficient of Solute (KSolute) & Distribution Coefficient of Carrier Liquid (KCarrierLiq) we can find Selectivity of Solute based on Distribution Coefficients using the formula - Selectivity = Distribution Coefficient of Solute/Distribution Coefficient of Carrier Liquid.
What are the other ways to Calculate Selectivity?
Here are the different ways to Calculate Selectivity-
  • Selectivity=(Activity Coefficient of Solute in Raffinate/Activity Coefficient of Solute in Extract)/(Activity Coefficient of Carrier Liq in Raffinate/Activity Coefficient of Carrier Liquid in Extract)OpenImg
  • Selectivity=(Mass Fraction of Solute in the Extract/Mass Fraction of Carrier Liquid in the Extract)/(Mass Fraction of Solute in the Raffinate/Mass Fraction of Carrier Liquid in the Raffinate)OpenImg
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