The Absorption Law

The Absorption Law:

       The absorption law, also known as the Beer's law, tells us quantitatively how the amount of attenuation depends on the concentration of the absorbing molecules and the path length over which absorption occurs. As light traverses a medium containing an absorbing analyte, decreases in intensity occur as the analyte becomes excited. For an analyte solution of a given concentration, the longer the length of the medium through which the light passes, the more absorbers are in the path and the greater the attenuation.