Bouguer-Lambert law

Bouguer-Lambert law

[bu̇′ger ¦läm·bərt ‚lȯ]
(analytical chemistry)
The law that the change in intensity of light transmitted through an absorbing substance is related exponentially to the thickness of the absorbing medium and a constant which depends on the sample and the wavelength of the light. Also known as Lambert's law.
References in periodicals archive ?
Bouguer-Lambert law describes the relationship between incident light flux [[PHI].sub.0] and transmittance light flux [[PHI].sub.[tau]], under the condition of a beam of light source transmits from a certain distance d.
According to the definition of t in meteorological optical range, select [tau] = 0.05 for Bouguer-Lambert law; there is