Table 1 Performance data of the proposed method.

-concentration range (μg/mL ).

0.25-5

2-24

-LOD (μg/mL ).

0.069

0.184

-LOQ (μg/mL).

0.209

0.558

-Correlation coefficient ( r).

0.9999

0.9999

-Slope

31.8

0.035

-Intercept

19.038

0.039

-S_y/x

0.928

2.72 × 10^-3

-S_a

0.664

1.96 × 10^-3

-S_b

0.221

1.387 × 10^-4

-% Error

0.29

0.21

-%RSD

0.65

0.51

-No.of Experiments.

5

6

3

-Mean found (%)

100.12

100.74

100

± SD.

0.65

0.51

0.31

-Student's t-value.

0.275 (2.45)

2.216 (2.37)

-Variance ratio F-test.

4.352 (19.25)

2.762 (19.30)

-Applications.

tablet preparations and

spiked human plasma