Parameter

Imp-1

Imp-2

Imp-3

DRF

System suitability^a

RT (min)

4.18

20.26

17.98

9.78

RRT

0.427

2.071

1.838

1.000

Rs

-

3.47

13.92

16.14

k′

-

3.8

3.3

1.3

As

1.22

0.98

1.06

1.02

N

6935

16830

11003

6272

Linearity^b

Range (µg/mL)

0.6-3.0

0.6-3.0

0.6-3.0

50-150

r²

0.9980

0.9992

0.9988

1.0000

Slope

170.73

204.9

178.24

18808

Intercept

292.1

194.2

339.2

27997

Sensitivity^b

LOD (µg/mL)

0.07

0.20

0.20

0.15

LOQ (µg/mL)

0.20

0.55

0.60

0.45

Precision (%RSD)^a

System

1.27

0.32

1.20

0.23

Method

2.56

1.41

1.77

0.79

Intermediate

2.67

3.08

0.66

0.74

LOQ

3.21

4.82

1.75

-

% Recovery (accuracy)^b

50% level

98.8

95.6

98.9

98.7

100% level

100.1

99.7

98.6

100.1

150% level

97.4

96.0

99.6

100.6