Beer-Lambert law

Beer-Lam·bert law

(bēr lam'bert), the absorbance of light is directly proportional to the thickness of the media through which the light is being transmitted multiplied by the concentration of absorbing chromophore; that is, A = εbc where A is the absorbance, ε is the molar extinction coefficient, b is the thickness of the solution, and c is the concentration. [August Beer, Johann Heinrich Lambert]

Beer’s law

A law stating that the concentration of an analyte is directly proportional to the amount of light absorbed, or inversely proportional to the logarithm of the transmitted light.
Beer’s law
A = abc = log(100/%T) 2 - log %T
where:
A = absorbance
a = absorptivity
b = light path of the solution in cm
c = concentration of the substance of interest
%T = per cent transmittance—the ratio of transmitted light to incident light

Beer,

August, German physicist, 1825-1863. Beer-Lambert law - the absorbance of light is directly proportional to the thickness of the ligand through which the light is being transmitted multiplied by the concentration of absorbing chromophore.Beer law - the intensity of a color or of a light ray is inversely proportional to the depth of liquid through which it is transmitted.

Lambert,

Johann Heinrich, German mathematician and physicist, 1728-1777. Beer-Lambert law - see under Beer, AugustLambert cosine law - mathematical measure of the intensity of radiation.

单词	beer-lambert law
释义	DictionarySeeabsorptivityEncyclopediaSeeAbsorptivity Beer-Lambert law Beer-Lam·bert law (bēr lam'bert), the absorbance of light is directly proportional to the thickness of the media through which the light is being transmitted multiplied by the concentration of absorbing chromophore; that is, A = εbc where A is the absorbance, ε is the molar extinction coefficient, b is the thickness of the solution, and c is the concentration. [August Beer, Johann Heinrich Lambert] Beer’s law A law stating that the concentration of an analyte is directly proportional to the amount of light absorbed, or inversely proportional to the logarithm of the transmitted light. Beer’s law A = abc = log(100/%T) 2 - log %T where: A = absorbance a = absorptivity b = light path of the solution in cm c = concentration of the substance of interest %T = per cent transmittance—the ratio of transmitted light to incident light Beer, August, German physicist, 1825-1863. Beer-Lambert law - the absorbance of light is directly proportional to the thickness of the ligand through which the light is being transmitted multiplied by the concentration of absorbing chromophore.Beer law - the intensity of a color or of a light ray is inversely proportional to the depth of liquid through which it is transmitted. Lambert, Johann Heinrich, German mathematician and physicist, 1728-1777. Beer-Lambert law - see under Beer, AugustLambert cosine law - mathematical measure of the intensity of radiation.
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