20
40
60
80
100
120
140
160
180
200
220
240
260
280
Response
10
15
20
25
30
35
40
45
50
55
Retention time
C11
C12
C13
C14
C15
C16
C17
Pri
C18
Phy
C19
C20
C21
C22
C23
C24
C25
C26
IS
C27
C28
C29
C30
C31
C32
C33
C34
C35
C36
C37
C38
C39
Figure: Example of a rough concentration estimation by integration of the total chromatogram without specific calibration
128
5 GC/MS Data Evaluation