Sourav PanApril 24, 2025

What is epsilon (ε) in Beer-Lambert Law?

Sourav PanApril 24, 2025

Answered

Epsilon (ε) in the Beer-Lambert Law is the molar absorptivity coefficient, which represents how strongly a substance absorbs light at a specific wavelength. It is a fundamental constant that is unique to each substance and wavelength and is used to calculate absorbance. The higher the value of ε, the more light the substance absorbs at that particular wavelength.

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