Technical data
Understanding Your Agilent ChemStation 153
Calibration
7
Group Calibration
Group Calibration
Group calibration can be applied for compounds where the individual 
concentrations are not known but the sum of concentrations for a group of 
compounds is known. An example are isomers. Complete compound groups 
are calibrated. The following formulae are used:
Calibration
where:
Conc
AB
 is the concentration of the compound group consisting of compound A 
and B
Response
A 
is the area (or height) of compound A
RF
A
 is the response factor
For compounds within a compound group we assume equal response factors:
Therefore the concentration of a compound within a compound group is 
calculated as follows:










