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Extinction Coefficient Calculator

Formula

The formula to calculate the molar extinction coefficient is:

$E = \frac{A}{mc}$

Where:

The extinction coefficient is defined as the ratio of absorbance to the molar concentration of a solution.

Let's assume the following values:

Using the formula:

$E = \frac{0.5}{0.1} = 5$

The Extinction Coefficient is 5.

Let's assume the following values:

Using the formula:

$E = \frac{1.2}{0.3} = 4$

The Extinction Coefficient is 4.