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Concentration of Solution to Molar Absorptivity (or Molar Extinction Coefficient) Calculator

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Concentration of Solution to Molar Absorptivity (or Molar Extinction Coefficient) Calculator - InstaNANO. https://instanano.com/all/characterization/uv-vis/molar-absorptivity/ (accessed June 5th, 2025).

This calculator can determine the molar absorptivity or molar extinction coefficient values from concentration of solution.

Absorbance (a.u.)

Concentration(mM)

Cell Length (cm)

Results
L/mmol.cm

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One Question, Ask New

hnegar841 says:

September 1, 2021 at 5:21 pm

Calculate the absorption coefficient without the thickness of the thin film!

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