Beer-Lambert Law Calculator
Solve decadic absorbance, molar absorptivity, path length, concentration, and transmittance for a one-species optical sample.
At a glance
- Computes
- Absorbance, molar absorptivity, path length, concentration, or transmittance.
- You supply
- Any three of absorbance, absorptivity, path length, and concentration.
- Use when
- One absorbing species, a dilute solution, and monochromatic light through a known path.
- Assumes
- Decadic absorbance, no scattering, and no chemical change with concentration.
absorbance against concentration in micromoles per litre; least-squares fit
Beer-Lambert result
Enter three quantities
Decadic absorbance model.
| Quantity | Value | Unit |
|---|
A = epsilon l c; T = 10^(-A)
How?
How this is calculated
The calculation uses decadic absorbance, path length in centimeters, concentration in mol/L, and molar absorptivity in L mol^-1 cm^-1.
Formula: A = epsilon l c; T = 10^(-A)
Sources
- IUPAC Gold Book, Absorbance. IUPAC. Retrieved .
- IUPAC Analytical Compendium, Terms and symbols used in photochemistry and in light scattering. IUPAC. Retrieved .
- Wikipedia, Beer-Lambert law. Wikipedia. Retrieved .
Method last reviewed