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Imipramine
Y = 0.00477544*X R^2 = 0.9896 W: Equal
0
200
400
600
800
1000
0
1
2
3
4
5
pg (on-column)
Area Ratio
C6
C7
C5
C4
C3
C2
C1
1000
500
250
125
62.5
31.3
15.6
3.65
Calibration
level
Amount on
column (pg)
% CV
4.00
5.32
7.34
2.28
1.25
4.25
CH3
CH3
N
N
Figure 4: Calibration curve for imipramine in horse urine
0
200
400
600
800
1000
0.0
0.5
1.0
1.5
C3
4.73
C6
4.02
C7
11.24
C5
14.30
C4
14.96
CH3
N
NH
Desipramine
Y = 0.00164932*X R^2 = 0.9835 W: Equal
pg (on-column)
Area Ratio
Calibration
level
Amount on
column (pg)
% CV
500
250
125
1000
62.5
Figure 5: Calibration curve for desipramine in horse urine