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Fluorescence Rate Constant Formula

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Rate Constant of Fluoroscence is the rate at which spontaneous emission occurs. Check FAQs

K f = \frac{R f}{[M S1]}

K_f - Rate Constant of Fluoroscence?R_f - Rate of Fluoroscence?[M_S1] - Singlet State Concentration?

Fluorescence Rate Constant Example

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With units

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Here is how the Fluorescence Rate Constant equation looks like with Values.

Here is how the Fluorescence Rate Constant equation looks like with Units.

Here is how the Fluorescence Rate Constant equation looks like.

750000 = \frac{15}{2E-5}

750000rev/s = \frac{15mol/L*s}{2E-5mol/L}

750000 = \frac{15}{2E-5}

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Fluorescence Rate Constant Solution

Follow our step by step solution on how to calculate Fluorescence Rate Constant?

FIRST Step Consider the formula

K f = \frac{R f}{[M S1]}

Next Step Substitute values of Variables

∴

K f = \frac{15mol/L*s}{2E-5mol/L}

Next Step Convert Units

∴

K f = \frac{15000mol/m³*s}{0.02mol/m³}

Next Step Prepare to Evaluate

∴

K f = \frac{15000}{0.02}

Next Step Evaluate

∴

K f = 750000Hz

LAST Step Convert to Output's Unit

∴

K f = 750000rev/s

Fluorescence Rate Constant Formula Elements

Variables

Rate Constant of Fluoroscence

Rate Constant of Fluoroscence is the rate at which spontaneous emission occurs.

Symbol: K_f

Measurement: FrequencyUnit: rev/s

Note: Value can be positive or negative.

Formulas to find Rate Constant of Fluoroscence

Rate of Fluoroscence

Rate of Fluoroscence is the rate at which spontaneous emission occurs.

Symbol: R_f

Measurement: Reaction RateUnit: mol/L*s

Note: Value can be positive or negative.

Formulas to find Rate of Fluoroscence

Singlet State Concentration

Singlet State Concentration is the number of molecules present in the singlet excited state.

Symbol: [M_S1]

Measurement: Molar ConcentrationUnit: mol/L

Note: Value can be positive or negative.

Formulas to find Singlet State Concentration

Other formulas in Emission Spectroscopy category

Go Fluoroscence Intensity

I F = \frac{K f \cdot I a}{K f + K NR}

Go Fluoroscence Intensity without Quenching

I_o = \frac{K f \cdot I a}{K NR + K f}

Go Initial Intensity given Degree of Exciplex Formation

Io α = K f \cdot \frac{K eq}{K f + K NR}

Go Intensity of Fluorescence given Degree of Exciplex Formation

I fgiven_α = K f \cdot K eq \cdot \frac{1 - α}{K f + K NR}

How to Evaluate Fluorescence Rate Constant?

Fluorescence Rate Constant evaluator uses Rate Constant of Fluoroscence = Rate of Fluoroscence/Singlet State Concentration to evaluate the Rate Constant of Fluoroscence, Fluorescence Rate Constant formula is defined as the rate constant of the rate equation for at which spontaneous emission occurs. It can emit a photon and in the process get converted back to the ground state. This is fluorescence and the fluorescence decay process is a first-order rate process with a rate constant denoted by kf. Rate Constant of Fluoroscence is denoted by K_f symbol.

How to evaluate Fluorescence Rate Constant using this online evaluator? To use this online evaluator for Fluorescence Rate Constant, enter Rate of Fluoroscence (R_f) & Singlet State Concentration ([M_S1]) and hit the calculate button.

FAQs on Fluorescence Rate Constant

What is the formula to find Fluorescence Rate Constant?

The formula of Fluorescence Rate Constant is expressed as Rate Constant of Fluoroscence = Rate of Fluoroscence/Singlet State Concentration. Here is an example- 750 = 15/0.02.

How to calculate Fluorescence Rate Constant?

With Rate of Fluoroscence (R_f) & Singlet State Concentration ([M_S1]) we can find Fluorescence Rate Constant using the formula - Rate Constant of Fluoroscence = Rate of Fluoroscence/Singlet State Concentration.

Can the Fluorescence Rate Constant be negative?

Yes, the Fluorescence Rate Constant, measured in Frequency can be negative.

Which unit is used to measure Fluorescence Rate Constant?

Fluorescence Rate Constant is usually measured using the Revolution per Second[rev/s] for Frequency. Hertz[rev/s], Petahertz[rev/s], Terahertz[rev/s] are the few other units in which Fluorescence Rate Constant can be measured.

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Fluorescence Rate Constant Formula

Fluorescence Rate Constant Example

Fluorescence Rate Constant Solution

Fluorescence Rate Constant Formula Elements

Other formulas in Emission Spectroscopy category

How to Evaluate Fluorescence Rate Constant?

FAQs on Fluorescence Rate Constant

Variable Name