Table 1 Analytical parameters for determination of MET, EMP and LIN ternary mixture using the proposed MEKC-DAD method

Selected wavelength λ (nm)

230

Concentration range

(µg. mL⁻¹)

10–500

10–100

2.5–100

Regression equation:

Intercept (a)

Slope (b)

−4.41

1.98

−1.99

1.40

−2.70

7.96

Correlation coefficient (r)

0.9996

0.9997

0.9992

S_a^a

5.33

0.60

6.20

S_b^b

0.02

0.01

0.11

S_y/x^c

8.55

0.89

9.51

RSD% of the slope (S_b%)

1.01

0.71

1.38

F^d

10,635.62

17,987.06

5404.57

Significance F

5.30 × 10^–8

1.85 × 10^–8

2.05 × 10^–8

LOD^e (µg. mL⁻¹)

3

3

1

LOQ^f (µg. mL⁻¹)

10

10

2.5