Beer-Lambert law

Beer-Lam·​bert law | \ ˈber-ˈläm-ˌbert- How to pronounce Beer-Lambert law (audio) \
variants: or less commonly Beer-Lambert's law

Definition of Beer-Lambert law

: beer's law Absorption spectrophotometry is concerned with the absorption of incident radiation, as a function of wavelength, upon passage through a given medium. Its use in quantitative analysis is founded upon the Beer-Lambert Law which relates the amount of radiation absorbed at a given wave length to the concentration and length of the absorbing path.— Tom D. Schlabach, Encyclopedia Of Chemistry, 1966

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First Known Use of Beer-Lambert law

1908, in the meaning defined above

History and Etymology for Beer-Lambert law

after Johann Heinrich Lambert †1777 Swiss-Alsatian mathematician and physicist, whose formulation of light absorption in a dense material is complementary to Beer's law

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The first known use of Beer-Lambert law was in 1908

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Cite this Entry

“Beer-Lambert law.” Dictionary, Merriam-Webster, Accessed 19 Oct. 2020.

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