Specific Activity using Half Life Calculator

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✖Radioactive Half Life is defined as the time required for a quantity of radioactive substance to decay to half of it's initial value.ⓘ Radioactive Half Life [T_1/2]			+10% -10%
✖Atomic Weight of Nuclide is defined as the total number of protons and neutrons in the nucleus of an isotope of the nuclide.ⓘ Atomic Weight of Nuclide [M]			+10% -10%

✖Specific Activity is defined as the concentration of the radioactivity or the relationship between the mass of radioactive material and the activity.ⓘ Specific Activity using Half Life [A_s]

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Specific Activity using Half Life Solution

STEP 0: Pre-Calculation Summary

Formula Used

Specific Activity = (0.693*[Avaga-no])/(Radioactive Half Life*Atomic Weight of Nuclide)
A_s = (0.693*[Avaga-no])/(T_1/2*M)
This formula uses 1 Constants, 3 Variables

Constants Used

[Avaga-no] - Avogadro’s number Value Taken As 6.02214076E+23

Variables Used

Specific Activity - (Measured in Becquerel per Kilogram) - Specific Activity is defined as the concentration of the radioactivity or the relationship between the mass of radioactive material and the activity.
Radioactive Half Life - (Measured in Second) - Radioactive Half Life is defined as the time required for a quantity of radioactive substance to decay to half of it's initial value.
Atomic Weight of Nuclide - (Measured in Kilogram) - Atomic Weight of Nuclide is defined as the total number of protons and neutrons in the nucleus of an isotope of the nuclide.

STEP 1: Convert Input(s) to Base Unit

Radioactive Half Life: 0.0002 Year --> 6311.3904 Second (Check conversion here)
Atomic Weight of Nuclide: 125 Atomic Mass Unit --> 2.07567525023271E-25 Kilogram (Check conversion here)

STEP 2: Evaluate Formula

Substituting Input Values in Formula

A_s = (0.693*[Avaga-no])/(T_1/2*M) --> (0.693*[Avaga-no])/(6311.3904*2.07567525023271E-25)

Evaluating ... ...

A_s = 3.18566192700435E+44

STEP 3: Convert Result to Output's Unit

3.18566192700435E+44 Becquerel per Kilogram -->3.18566192700435E+41 Becquerel per Gram (Check conversion here)

FINAL ANSWER

3.18566192700435E+41 ≈ 3.2E+41 Becquerel per Gram <-- Specific Activity

(Calculation completed in 00.007 seconds)

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Created by Pracheta Trivedi

National Institute Of Technology Warangal (NITW), Warangal

Pracheta Trivedi has created this Calculator and 25+ more calculators!

Verified by Soupayan banerjee

National University of Judicial Science (NUJS), Kolkata

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< Nuclear Chemistry Calculators

Packing Fraction (In Isotopic mass)

LaTeX Go Packing Fraction in Isotopic mass = ((Atomic Isotopic Mass-Mass Number)*(10^4))/Mass Number

Binding Energy Per Nucleon

LaTeX Go Binding Energy per Nucleon = (Mass Defect*931.5)/Mass Number

Packing Fraction

LaTeX Go Packing Fraction = Mass Defect/Mass Number

Mean Life Time

LaTeX Go Mean Life Time = 1.446*Radioactive Half Life

Specific Activity using Half Life Formula

LaTeX Go

Specific Activity = (0.693*[Avaga-no])/(Radioactive Half Life*Atomic Weight of Nuclide)
A_s = (0.693*[Avaga-no])/(T_1/2*M)

What is Activity in Radioactive- Decay process?

Activity, in radioactive-decay processes, is the number of disintegrations per second, or the number of unstable atomic nuclei that decay per second in a given sample.Activity is determined by counting, with the aid of radiation detectors and electronic circuits, the number of particles and photons (pulses of electromagnetic energy) ejected from a radioactive material during a convenient time interval. This experimental count, however, must be interpreted in the light of a thorough knowledge of the particular manner of radioactive decay in the sample material, because some sources emit more than one particle or photon per disintegration.

How to Calculate Specific Activity using Half Life?

Specific Activity using Half Life calculator uses Specific Activity = (0.693*[Avaga-no])/(Radioactive Half Life*Atomic Weight of Nuclide) to calculate the Specific Activity, Specific Activity using Half Life is defined as activity per quantity of a radionuclide and is a physical property of that radionuclide. It is the concentration of radioactivity or the relationship between the mass of radioactive material and the activity. Specific Activity is denoted by A_s symbol.

How to calculate Specific Activity using Half Life using this online calculator? To use this online calculator for Specific Activity using Half Life, enter Radioactive Half Life (T_1/2) & Atomic Weight of Nuclide (M) and hit the calculate button. Here is how the Specific Activity using Half Life calculation can be explained with given input values -> 3.2E+38 = (0.693*[Avaga-no])/(6311.3904*2.07567525023271E-25).

FAQ

What is Specific Activity using Half Life?

Specific Activity using Half Life is defined as activity per quantity of a radionuclide and is a physical property of that radionuclide. It is the concentration of radioactivity or the relationship between the mass of radioactive material and the activity and is represented as A_s = (0.693*[Avaga-no])/(T_1/2*M) or Specific Activity = (0.693*[Avaga-no])/(Radioactive Half Life*Atomic Weight of Nuclide). Radioactive Half Life is defined as the time required for a quantity of radioactive substance to decay to half of it's initial value & Atomic Weight of Nuclide is defined as the total number of protons and neutrons in the nucleus of an isotope of the nuclide.

How to calculate Specific Activity using Half Life?

Specific Activity using Half Life is defined as activity per quantity of a radionuclide and is a physical property of that radionuclide. It is the concentration of radioactivity or the relationship between the mass of radioactive material and the activity is calculated using Specific Activity = (0.693*[Avaga-no])/(Radioactive Half Life*Atomic Weight of Nuclide). To calculate Specific Activity using Half Life, you need Radioactive Half Life (T_1/2) & Atomic Weight of Nuclide (M). With our tool, you need to enter the respective value for Radioactive Half Life & Atomic Weight of Nuclide and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Specific Activity?

In this formula, Specific Activity uses Radioactive Half Life & Atomic Weight of Nuclide. We can use 1 other way(s) to calculate the same, which is/are as follows -

Specific Activity = (Activity*[Avaga-no])/Atomic Weight of Nuclide

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