The Beer-Lambert law (sometimes also known as the Beer-Lambert-Bouguer law or simply Beer's law) is used in spectroscopy
. The law
can be summed up by the mathematic relationship Aλ=ECL
, where A is the absorbance
at a given wavelength
, E is the molar extinction coefficient
, C is the concentration
of the mola
, and L is the length
of the light
In words, the equation means that the concentration of a substance in moles is proportional to the absorption of a given wavelength of light by a solution of the substance.
From the BioTech Dictionary at http://biotech.icmb.utexas.edu/. For further information see the BioTech homenode.