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Standard Deviation of Diffusive Band Spreading Formula

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The Standard Deviation is a measure of how spread out numbers are. Check FAQs

σ = \sqrt{2 \cdot D \cdot t}

σ - Standard Deviation?D - Diffusion Coefficient?t - Time for diffusion?

Standard Deviation of Diffusive Band Spreading Example

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Here is how the Standard Deviation of Diffusive Band Spreading equation looks like with Values.

Here is how the Standard Deviation of Diffusive Band Spreading equation looks like with Units.

Here is how the Standard Deviation of Diffusive Band Spreading equation looks like.

105.8301 = \sqrt{2 \cdot 800 \cdot 7}

105.8301 = \sqrt{2 \cdot 800m²/s \cdot 7s}

105.8301 = \sqrt{2 \cdot 800 \cdot 7}

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Standard Deviation of Diffusive Band Spreading Solution

Follow our step by step solution on how to calculate Standard Deviation of Diffusive Band Spreading?

FIRST Step Consider the formula

σ = \sqrt{2 \cdot D \cdot t}

Next Step Substitute values of Variables

∴

σ = \sqrt{2 \cdot 800m²/s \cdot 7s}

Next Step Prepare to Evaluate

∴

σ = \sqrt{2 \cdot 800 \cdot 7}

Next Step Evaluate

∴

σ = 105.830052442584

LAST Step Rounding Answer

∴

σ = 105.8301

Standard Deviation of Diffusive Band Spreading Formula Elements

Variables

Functions

Standard Deviation

The Standard Deviation is a measure of how spread out numbers are.

Symbol: σ

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Standard Deviation

Diffusion Coefficient

Diffusion coefficient is the proportionality factor D in Fick's law .

Symbol: D

Measurement: DiffusivityUnit: m²/s

Note: Value can be positive or negative.

Formulas to find Diffusion Coefficient

Time for diffusion

The time for diffusion is the time required for the substance to moves randomly from a region of high concentration to a region of low concentration.

Symbol: t

Measurement: TimeUnit: s

Note: Value can be positive or negative.

Formulas to find Time for diffusion

sqrt

A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number.

Syntax: sqrt(Number)

Other formulas in Standard Deviation category

Go Time for Diffusion given Standard Deviation

t D = \frac{{(σ)}^{2}}{2 \cdot D}

Go Standard Deviation given Retention Time and Number of Theoretical Plates

σ RTandNP = \frac{t r}{\sqrt{N TP}}

Go Diffusion Coefficient given Standard Deviation

D = \frac{{(σ)}^{2}}{2 \cdot t}

How to Evaluate Standard Deviation of Diffusive Band Spreading?

Standard Deviation of Diffusive Band Spreading evaluator uses Standard Deviation = sqrt(2*Diffusion Coefficient*Time for diffusion) to evaluate the Standard Deviation, The Standard deviation of diffusive band spreading formula is defined as the square root of twice the diffusion coefficient to the time required for the diffusion. Standard Deviation is denoted by σ symbol.

How to evaluate Standard Deviation of Diffusive Band Spreading using this online evaluator? To use this online evaluator for Standard Deviation of Diffusive Band Spreading, enter Diffusion Coefficient (D) & Time for diffusion (t) and hit the calculate button.

FAQs on Standard Deviation of Diffusive Band Spreading

What is the formula to find Standard Deviation of Diffusive Band Spreading?

The formula of Standard Deviation of Diffusive Band Spreading is expressed as Standard Deviation = sqrt(2*Diffusion Coefficient*Time for diffusion). Here is an example- 105.8301 = sqrt(2*800*7).

How to calculate Standard Deviation of Diffusive Band Spreading?

With Diffusion Coefficient (D) & Time for diffusion (t) we can find Standard Deviation of Diffusive Band Spreading using the formula - Standard Deviation = sqrt(2*Diffusion Coefficient*Time for diffusion). This formula also uses Square Root (sqrt) function(s).

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