Table 2 Linearity data of the developed method

 Concentration range (μg/ml)

24.6–123.2

594.8–2974.0

  Slope (b)

41254.72

652.25

  Intercept (a)

32378.07

26284.37

  Correlation coefficient (r²)

0.9997

0.9998

  Standard deviation of the slope (s_b)

468.93

7.11

  Standard deviation of the intercept (s_a)

37736.65

13816.29

  Limit of detection (μg/mL)

2.92

67.68

  Limit of quantitation (μg/mL)

8.86

205.09