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Beer's Law

Beer-Lambert's law is the relationship between absorbance, concentration, and path length.

$A = εbc$

Variables

  • $A =$ absorbance
  • $ε =$ molar absorptivity
  • $b =$ path length
  • $c =$ concentration

Intuition

  • The higher the concentration, the higher the absorbance.
  • The longer the path length, the higher the absorbance.

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