Table 6 System suitability parameters for the developed methods

Resolution (R_S)

R_{s (SAL-EXP)=} 1.53

R_{s (EXP-GUF)=} 1.54

R_{s ( GUF-GUL)=} 4.27

R_{s ( GUF-BR)=} 1.88

 ≥ 1.5

R_{s (SAL-GUF)=} 1.6

R_{s (GUF-GUL)=} 1.53

R_{s ( GUL-EXP)=} 2.14

R_{s ( EXP-BR)=} 3.8

 ≥ 1.5

Selectivity (α)

α _(SAL-EXP)= 2.42

α _(EXP-GUF)= 1.58

α _{( GUF-GUL)=} 2.96

α _{( GUF-BR) =} 1.20

 ≥ 1

α _(SAL-EXP)= 1.52

α _(EXP-GUF)= 1.28

α _{( GUF-GUL)=} 1.33

α _{( GUF-BR) =} 1.84

 ≥ 1

Capacity Factor (K’)

K’ _(SAL)= 19.00

K’ _(GUF)= 2.44

K’ _{( GUL})₌ 0.33

K’ _{( BR})₌ 0.10

 > 0.1

K’ _{(SAL) =} 1.80

K’ _{(GUF) =} 2.60

K’ _{( GUL}) ₌ 3.36

K’ _{( BR})₌ 6.00

1–10

Tailing Factor (T)

T _(SAL)=1.00

T _(GUF)=1.10

T_{( GUL})₌1.05

T _{( BR})₌1.02

 > 1.5

T _{(SAL) =} 1.20

T _{(GUF) =} 1.13

T_{( GUL}) ₌ 1.05

T _{( BR})₌ 1.12

1–1.5

Number of theoretical plates (N)

–

–

N _{(SAL) =}1443

N _{(GUF) =}1817

N_{( GUL}) ₌2562

N _{( BR})₌2946

The higher the number, the more efficient separation

Height Equivalent to a Theoretical Plate (mm)

(HETP)

–

–

N _{(SAL) =}0.17

N _{(GUF) =}0.14

N_{( GUL}) ₌0.09

N _{( BR})₌0.08

The lower the value, the more efficient separation