A = abc
A
is the
absorbance
Ò
a
Ó
is
molar absorptivity
in L/[(mole)(cm)]
Ò
b
Ó
is the
path length
in cm
Ò
c
Ó
is the
concentration
of the analyte
(sample) in mol/L
Beer-Lambert Law
(a.k.a. Beer's law)
- the linear
relationship between absorbance and concentration of
an absorbing species.
Absorbance