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Retention Factor Formula

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Actual Retention Factor is defined as the ratio of the distance traveled by the center of a spot to the distance traveled by the solvent front. Check FAQs

RF = \frac{d solu}{d solv}

RF - Actual Retention Factor?d_solu - Solute Distance?d_solv - Solvent Distance?

Retention Factor Example

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Here is how the Retention Factor equation looks like with Values.

Here is how the Retention Factor equation looks like with Units.

Here is how the Retention Factor equation looks like.

3.2 = \frac{80}{25}

3.2 = \frac{80m}{25m}

3.2 = \frac{80}{25}

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Retention Factor Solution

Follow our step by step solution on how to calculate Retention Factor?

FIRST Step Consider the formula

RF = \frac{d solu}{d solv}

Next Step Substitute values of Variables

∴

RF = \frac{80m}{25m}

Next Step Prepare to Evaluate

∴

RF = \frac{80}{25}

LAST Step Evaluate

∴

RF = 3.2

Retention Factor Formula Elements

Variables

Actual Retention Factor

Actual Retention Factor is defined as the ratio of the distance traveled by the center of a spot to the distance traveled by the solvent front.

Symbol: RF

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Actual Retention Factor

Solute Distance

Solute Distance is the distance covered by a solute (stationary phase) on chromatography paper.

Symbol: d_solu

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Solute Distance

Solvent Distance

Solvent Distance is the distance covered by solvent (mobile phase) on chromatography paper.

Symbol: d_solv

Measurement: LengthUnit: m

Note: Value can be positive or negative.

Formulas to find Solvent Distance

Other formulas in Retention Volume category

Go Adjusted Retention Time given Retention Time

t' RT = (t r - t m)

Go Average Width of Peak given Resolution and Change in Retention Time

w av_RT = (\frac{Δt r}{R})

Go Retention Time given Capacity Factor

T cf = t m \cdot (k c + 1)

Go Width of Peak given Number of Theoretical Plates and Retention Time

w NPandRT = \frac{4 \cdot t r}{\sqrt{N TP}}

How to Evaluate Retention Factor?

Retention Factor evaluator uses Actual Retention Factor = Solute Distance/Solvent Distance to evaluate the Actual Retention Factor, The Retention Factor formula is defined as the distance travelled by a given component divided by the distance travelled by the solvent front. Actual Retention Factor is denoted by RF symbol.

How to evaluate Retention Factor using this online evaluator? To use this online evaluator for Retention Factor, enter Solute Distance (d_solu) & Solvent Distance (d_solv) and hit the calculate button.

FAQs on Retention Factor

What is the formula to find Retention Factor?

The formula of Retention Factor is expressed as Actual Retention Factor = Solute Distance/Solvent Distance. Here is an example- 3.2 = 80/25.

How to calculate Retention Factor?

With Solute Distance (d_solu) & Solvent Distance (d_solv) we can find Retention Factor using the formula - Actual Retention Factor = Solute Distance/Solvent Distance.

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Retention Factor Formula

Retention Factor Example

Retention Factor Solution

Retention Factor Formula Elements

Other formulas in Retention Volume category

How to Evaluate Retention Factor?

FAQs on Retention Factor

Variable Name