envea STACK 710 - Theory of Operation and Application; General Description of STACK 710; Beer-Lamberts Law Explained

6 Theory of Operation and Application STACK 710
48 (PC-000878-MA Issue 7, December 2021) ENVEA UK Ltd
6. Theory of Operation and Application
6.1 General Outline

             
            


           

          


            


6.2 Beer-Lambert’s Law
     



-acL
Io

Figure 17: Beer-

=
Transmittance
I
o
=
Intensity of light into the medium (see
1 below)
I
=
Intensity of light out of the medium
(see 3 below)
A
=
Attenuation Coefficient
c
=
Concentration of Pollutant
L
=
Distance light beam travels through the
medium (see 2 below)