Standard Deviation given Retention Time and Number of Theoretical Plates Solution

STEP 0: Pre-Calculation Summary
Formula Used
Standard Deviation given RT and NP = (Retention Time)/(sqrt(Count of Theoretical Plates))
σRTandNP = (tr)/(sqrt(NTP))
This formula uses 1 Functions, 3 Variables
Functions Used
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., sqrt(Number)
Variables Used
Standard Deviation given RT and NP - Standard Deviation given RT and NP is a measure of how spread out numbers are.
Retention Time - (Measured in Second) - The Retention Time of solute is defined as the time taken by the solute to move over the stationary phase and to come out of the column.
Count of Theoretical Plates - Count of Theoretical Plates is defined as used to determine column efficiency based on the calculation in which the larger the theoretical plate number the sharper the peaks.
STEP 1: Convert Input(s) to Base Unit
Retention Time: 13 Second --> 13 Second No Conversion Required
Count of Theoretical Plates: 8 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
σRTandNP = (tr)/(sqrt(NTP)) --> (13)/(sqrt(8))
Evaluating ... ...
σRTandNP = 4.59619407771256
STEP 3: Convert Result to Output's Unit
4.59619407771256 --> No Conversion Required
FINAL ANSWER
4.59619407771256 4.596194 <-- Standard Deviation given RT and NP
(Calculation completed in 00.021 seconds)

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K J Somaiya College of science (K J Somaiya), Mumbai
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Standard Deviation Calculators

Standard Deviation given Retention Time and Number of Theoretical Plates
​ LaTeX ​ Go Standard Deviation given RT and NP = (Retention Time)/(sqrt(Count of Theoretical Plates))
Standard Deviation of Diffusive Band Spreading
​ LaTeX ​ Go Standard Deviation = sqrt(2*Diffusion Coefficient*Time for diffusion)
Diffusion Coefficient given Standard Deviation
​ LaTeX ​ Go Diffusion Coefficient = ((Standard Deviation)^2)/(2*Time for diffusion)
Time for Diffusion given Standard Deviation
​ LaTeX ​ Go Diffusion Time = ((Standard Deviation)^2)/(2*Diffusion Coefficient)

Important Formulae on Retention and Deviation Calculators

Width of Peak given Number of Theoretical Plates and Retention Time
​ LaTeX ​ Go Width of Peak NP and RT = (4*Retention Time)/(sqrt(Count of Theoretical Plates))
Retention Time given Capacity Factor
​ LaTeX ​ Go Retention Time given CF = Unretained Solute Travel Time*(Capacity Factor for Analytical+1)
Adjusted Retention Time given Retention Time
​ LaTeX ​ Go Adjusted Retention Time given RT = (Retention Time-Unretained Solute Travel Time)
Average Width of Peak given Resolution and Change in Retention Time
​ LaTeX ​ Go Average Width of Peaks given RT = (Change in Retention Time/Resolution)

Standard Deviation given Retention Time and Number of Theoretical Plates Formula

​LaTeX ​Go
Standard Deviation given RT and NP = (Retention Time)/(sqrt(Count of Theoretical Plates))
σRTandNP = (tr)/(sqrt(NTP))

What is Chromatography?

A separation process based on the various partitioning coefficients of different solutes between the two phases.
Involving the interaction of solute(s) and two phases
Mobile phase: A gas or liquid that moves through the column.
Stationary phase: A solid or liquid that remains in place.

What are the types of Chromatography?

1) Adsorption chromatography
2) Ion-exchange chromatography
3) Partition chromatography
4) Molecular Size exclusion chromatography
5) Affinity chromatography

How to Calculate Standard Deviation given Retention Time and Number of Theoretical Plates?

Standard Deviation given Retention Time and Number of Theoretical Plates calculator uses Standard Deviation given RT and NP = (Retention Time)/(sqrt(Count of Theoretical Plates)) to calculate the Standard Deviation given RT and NP, The Standard deviation given retention time and number of theoretical plates formula is defined as the ratio of retention time of the particle to the square root of the number of theoretical plates. Standard Deviation given RT and NP is denoted by σRTandNP symbol.

How to calculate Standard Deviation given Retention Time and Number of Theoretical Plates using this online calculator? To use this online calculator for Standard Deviation given Retention Time and Number of Theoretical Plates, enter Retention Time (tr) & Count of Theoretical Plates (NTP) and hit the calculate button. Here is how the Standard Deviation given Retention Time and Number of Theoretical Plates calculation can be explained with given input values -> 3.752777 = (13)/(sqrt(8)).

FAQ

What is Standard Deviation given Retention Time and Number of Theoretical Plates?
The Standard deviation given retention time and number of theoretical plates formula is defined as the ratio of retention time of the particle to the square root of the number of theoretical plates and is represented as σRTandNP = (tr)/(sqrt(NTP)) or Standard Deviation given RT and NP = (Retention Time)/(sqrt(Count of Theoretical Plates)). The Retention Time of solute is defined as the time taken by the solute to move over the stationary phase and to come out of the column & Count of Theoretical Plates is defined as used to determine column efficiency based on the calculation in which the larger the theoretical plate number the sharper the peaks.
How to calculate Standard Deviation given Retention Time and Number of Theoretical Plates?
The Standard deviation given retention time and number of theoretical plates formula is defined as the ratio of retention time of the particle to the square root of the number of theoretical plates is calculated using Standard Deviation given RT and NP = (Retention Time)/(sqrt(Count of Theoretical Plates)). To calculate Standard Deviation given Retention Time and Number of Theoretical Plates, you need Retention Time (tr) & Count of Theoretical Plates (NTP). With our tool, you need to enter the respective value for Retention Time & Count of Theoretical Plates and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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