Equation Summary:
T= (I/I
o
) = 10
-A
%T = (I/I
o
) x 100
A = -logT = log(1/T)
Note the scale for Absorbance:
9/10
th
of the scale is from 0-1 and 1/10
th
is from 1-2.
For this reason, the spectrometers have been calibrated in % Transmittance and
all readings will be taken in %Transmittance.