Drug

tR

k’

N

T

Res

α

Isobestic point

CBZ

3.22

1.97

4325

1.62

1.22

1.39

MEL

4.24

1.59

5356

1.56

1.75

1.64

IBU

5.30

2.24

4791

1.71

1.92

1.41

MEF

6.66

3.07

5291

1.62

1.05

1.37

Time program

CBZ

3.23

1.39

3883

-

1.92

1.32

MEL

4.25

2.14

5089

1.44

1.58

1.54

IBU

5.31

2.93

4617

1.60

1.85

1.37

MEF

6.68

3.94

5669

1.48

1.10

1.35

tR=retention times, k’=capacity factor, N=theoretical plates, T=tailing factor, Res=resolution, α=separation factor
Table 1: System suitability parameters.