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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 August 13th, 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 Molar Absorptivity
L/mmol·cm
One Question, Ask New
hnegar841 says:

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

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