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Specific Activity of Isotope Formula

GoSpecific Activity using Half Life Formula

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Specific Activity is defined as the concentration of the radioactivity or the relationship between the mass of radioactive material and the activity. Check FAQs

A s = \frac{λ \cdot [Avaga-no]}{M}

A_s - Specific Activity?λ - Activity?M - Atomic Weight of Nuclide?[Avaga-no] - Avogadro’s number?

Specific Activity of Isotope Example

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With units

Only example

Here is how the Specific Activity of Isotope equation looks like with Values.

Here is how the Specific Activity of Isotope equation looks like with Units.

Here is how the Specific Activity of Isotope equation looks like.

3.2E+42 = \frac{0.0011 \cdot 6E+23}{125}

3.2E+42Bq/g = \frac{0.0011s⁻¹ \cdot 6E+23}{125u}

3.2E+42 = \frac{0.0011 \cdot 6E+23}{125}

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Specific Activity of Isotope Solution

Follow our step by step solution on how to calculate Specific Activity of Isotope?

FIRST Step Consider the formula

A s = \frac{λ \cdot [Avaga-no]}{M}

Next Step Substitute values of Variables

∴

A s = \frac{0.0011s⁻¹ \cdot [Avaga-no]}{125u}

Next Step Substitute values of Constants

∴

A s = \frac{0.0011s⁻¹ \cdot 6E+23}{125u}

Next Step Convert Units

∴

A s = \frac{0.0011Bq \cdot 6E+23}{2.1E-25kg}

Next Step Prepare to Evaluate

∴

A s = \frac{0.0011 \cdot 6E+23}{2.1E-25}

Next Step Evaluate

∴

A s = 3.19142160376838E+45Bq/kg

Next Step Convert to Output's Unit

∴

A s = 3.19142160376838E+42Bq/g

LAST Step Rounding Answer

∴

A s = 3.2E+42Bq/g

Specific Activity of Isotope Formula Elements

Variables

Constants

Specific Activity

Specific Activity is defined as the concentration of the radioactivity or the relationship between the mass of radioactive material and the activity.

Symbol: A_s

Measurement: Specific ActivityUnit: Bq/g

Note: Value can be positive or negative.

Formulas to find Specific Activity

Activity

Activity of Radioactive Substance is the Number of atoms disintegrated in unit time. It is also called as the rate of disintegration.

Symbol: λ

Measurement: RadioactivityUnit: s⁻¹

Note: Value can be positive or negative.

Formulas to find Activity

Atomic Weight of Nuclide

Atomic Weight of Nuclide is defined as the total number of protons and neutrons in the nucleus of an isotope of the nuclide.

Symbol: M

Measurement: WeightUnit: u

Note: Value can be positive or negative.

Formulas to find Atomic Weight of Nuclide

Avogadro’s number

Avogadro’s number represents the number of entities (atoms, molecules, ions, etc.) in one mole of a substance.

Symbol: [Avaga-no]

Value: 6.02214076E+23

Other Formulas to find Specific Activity

Go Specific Activity using Half Life

A s = \frac{0.693 \cdot [Avaga-no]}{T 1/2 \cdot M}

Other formulas in Nuclear Chemistry category

Go Binding Energy Per Nucleon

B.E per nucleon = \frac{∆m \cdot 931.5}{A}

Go Mean Life Time

ζ = 1.446 \cdot T 1/2

Go Packing Fraction

PF = \frac{∆m}{A}

Go Packing Fraction (In Isotopic mass)

PF isotope = \frac{(A isotope - A) \cdot (10^{4})}{A}

How to Evaluate Specific Activity of Isotope?

Specific Activity of Isotope evaluator uses Specific Activity = (Activity*[Avaga-no])/Atomic Weight of Nuclide to evaluate the Specific Activity, Specific Activity of Isotope is defined as 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 evaluate Specific Activity of Isotope using this online evaluator? To use this online evaluator for Specific Activity of Isotope, enter Activity (λ) & Atomic Weight of Nuclide (M) and hit the calculate button.

FAQs on Specific Activity of Isotope

What is the formula to find Specific Activity of Isotope?

The formula of Specific Activity of Isotope is expressed as Specific Activity = (Activity*[Avaga-no])/Atomic Weight of Nuclide. Here is an example- 3.2E+39 = (0.0011*[Avaga-no])/2.07567525023271E-25.

How to calculate Specific Activity of Isotope?

With Activity (λ) & Atomic Weight of Nuclide (M) we can find Specific Activity of Isotope using the formula - Specific Activity = (Activity*[Avaga-no])/Atomic Weight of Nuclide. This formula also uses Avogadro’s number constant(s).

What are the other ways to Calculate Specific Activity?

Here are the different ways to Calculate Specific Activity-

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

Can the Specific Activity of Isotope be negative?

Yes, the Specific Activity of Isotope, measured in Specific Activity can be negative.

Which unit is used to measure Specific Activity of Isotope?

Specific Activity of Isotope is usually measured using the Becquerel per Gram[Bq/g] for Specific Activity. Becquerel per Kilogram[Bq/g] are the few other units in which Specific Activity of Isotope can be measured.

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Specific Activity of Isotope Formula

​GoSpecific Activity using Half Life Formula

Specific Activity of Isotope Example

Specific Activity of Isotope Solution

Specific Activity of Isotope Formula Elements

Other Formulas to find Specific Activity

Other formulas in Nuclear Chemistry category

How to Evaluate Specific Activity of Isotope?

FAQs on Specific Activity of Isotope

Variable Name

GoSpecific Activity using Half Life Formula