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Stern Volmner Constant Formula

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Stern Volmner Constant is the bimolecular rate constant of the fluorescence quenching process due to a short-range interaction of species. Check FAQs

K SV = \frac{(\frac{I_o}{I F}) - 1}{[Q]}

K_SV - Stern Volmner Constant?I_o - Intensity Without Quenching?I_F - Fluorosence Intensity?[Q] - Quencher Concentration given Degree of Exciplex?

Stern Volmner Constant Example

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Here is how the Stern Volmner Constant equation looks like with Values.

Here is how the Stern Volmner Constant equation looks like with Units.

Here is how the Stern Volmner Constant equation looks like.

-0.0056 = \frac{(\frac{238}{240}) - 1}{1.5}

-0.0056 = \frac{(\frac{238W/m²}{240W/m²}) - 1}{1.5}

-0.0056 = \frac{(\frac{238}{240}) - 1}{1.5}

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Stern Volmner Constant Solution

Follow our step by step solution on how to calculate Stern Volmner Constant?

FIRST Step Consider the formula

K SV = \frac{(\frac{I_o}{I F}) - 1}{[Q]}

Next Step Substitute values of Variables

∴

K SV = \frac{(\frac{238W/m²}{240W/m²}) - 1}{1.5}

Next Step Prepare to Evaluate

∴

K SV = \frac{(\frac{238}{240}) - 1}{1.5}

Next Step Evaluate

∴

K SV = -0.00555555555555554

LAST Step Rounding Answer

∴

K SV = -0.0056

Stern Volmner Constant Formula Elements

Variables

Stern Volmner Constant

Stern Volmner Constant is the bimolecular rate constant of the fluorescence quenching process due to a short-range interaction of species.

Symbol: K_SV

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Stern Volmner Constant

Intensity Without Quenching

Intensity Without Quenching is the power transferred per unit area, where the area is measured on the plane perpendicular to the direction of propagation of the energy.

Symbol: I_o

Measurement: IntensityUnit: W/m²

Note: Value can be positive or negative.

Formulas to find Intensity Without Quenching

Fluorosence Intensity

Fluorosence Intensity formula is defined as the power transferred per unit area, where the area is measured on the plane perpendicular to the direction of propagation of the energy.

Symbol: I_F

Measurement: IntensityUnit: W/m²

Note: Value can be positive or negative.

Formulas to find Fluorosence Intensity

Quencher Concentration given Degree of Exciplex

Quencher Concentration given Degree of Exciplex is the concentration of substance that decreases fluoroscence intensity.

Symbol: [Q]

Measurement: NAUnit: Unitless

Note: Value can be positive or negative.

Formulas to find Quencher Concentration given Degree of Exciplex

Other formulas in Emission Spectroscopy category

Go Collisional Energy Transfer

R collision = K q \cdot [Q] \cdot [M S1]

Go Degree of Exciplex Formation

α = \frac{K eq \cdot [Q]}{1 + (K eq \cdot [Q])}

Go Difference in Acidity between Ground and Excited State

Δpka = pKa Excited - pKa ground

Go Equilibrium Constant for Exciplex Formation

K eq = \frac{1}{1 - α} - 1

How to Evaluate Stern Volmner Constant?

Stern Volmner Constant evaluator uses Stern Volmner Constant = ((Intensity Without Quenching/Fluorosence Intensity)-1)/Quencher Concentration given Degree of Exciplex to evaluate the Stern Volmner Constant, The Stern Volmner Constant formula is defined as the bimolecular rate constant of the fluorescence quenching process due to a short-range interaction of species. If the fluorescence quantum yield remains proportional to the integrated emission intensity upon addition of the quencher. Stern Volmner Constant is denoted by K_SV symbol.

How to evaluate Stern Volmner Constant using this online evaluator? To use this online evaluator for Stern Volmner Constant, enter Intensity Without Quenching (I_o), Fluorosence Intensity (I_F) & Quencher Concentration given Degree of Exciplex ([Q]) and hit the calculate button.

FAQs on Stern Volmner Constant

What is the formula to find Stern Volmner Constant?

The formula of Stern Volmner Constant is expressed as Stern Volmner Constant = ((Intensity Without Quenching/Fluorosence Intensity)-1)/Quencher Concentration given Degree of Exciplex. Here is an example- -0.005556 = ((238/240)-1)/1.5.

How to calculate Stern Volmner Constant?

With Intensity Without Quenching (I_o), Fluorosence Intensity (I_F) & Quencher Concentration given Degree of Exciplex ([Q]) we can find Stern Volmner Constant using the formula - Stern Volmner Constant = ((Intensity Without Quenching/Fluorosence Intensity)-1)/Quencher Concentration given Degree of Exciplex.

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Stern Volmner Constant Formula

Stern Volmner Constant Example

Stern Volmner Constant Solution

Stern Volmner Constant Formula Elements

Other formulas in Emission Spectroscopy category

How to Evaluate Stern Volmner Constant?

FAQs on Stern Volmner Constant

Variable Name