DETECTOR
Incident Light (I₀): 100.0 %
Transmitted (I): 100.0 %
Absorbance (A): 0.000
Beer-Lambert Law:

A = ε · b · c
T = I / I₀ = 10^(-A)
A = -log₁₀(T)

ε: Molar absorptivity (L·mol⁻¹·cm⁻¹)
b: Path length of cuvette (cm)
c: Concentration (M)