Beer's Law Definition and Equation - ThoughtCo
https://www.thoughtco.com/beers-law-definition-and-equation-608172
webFeb 11, 2020 · Beer's Law is also known as the Beer-Lambert Law, the Lambert-Beer Law, and the Beer–Lambert–Bouguer Law. The reason there are so many names is because more than one law is involved. Basically, Pierre Bouger discovered the law in 1729 and published it in Essai D'Optique Sur La Gradation De La Lumière.
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