exponential absorption law

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• Beer-Lambert law — In optics, the Beer–Lambert law, also known as Beer s law or the Lambert–Beer law or the Beer–Lambert–Bouguer law (in fact, most of the permutations of these three names appear somewhere in literature) is an empirical relationship that relates… …   Wikipedia

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• beer's law — ˈbāərz noun Usage: usually capitalized B Etymology: after August Beer died 1863 German physicist : a law in physics: the absorption of light by different concentrations of the same solute dissolved in the same solvent is an exponential function… …   Useful english dictionary

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