For assistance calculating concentration use our Beer Lambert Calculator.
The Beer-Lambert law (or Beer's law) demonstrates the linear relationship between absorbance and concentration of an absorbing species. In general, the Beer-Lambert law is expressed as the following formula:
A = εLc
Where:
Rearrange the Beer-Lambert equation in order to solve for the molar extinction coefficient:
ε = A/Lc
Use our Extinction Coefficient finder to search for the extinction coefficients of other compounds.