Table 1 Summary of quantitative parameters and statistical data using the proposed methods

Linear range (µg mL^− 1)

30–320

10–80

Intercept (a)

0.0259

− 0.0134

Standard deviation of intercept (SD _a)

0.004007

0.00637

Slop (b)

0.0027

0.0134

Standard deviation of slope (SD _b)

0.000021

0.00013

Correlation coefficient (r)

0.9998

0.9997

Determination coefficient (r ² )

0.9996

0.9995

Molar absorptivity Ɛ (L / mol cm )

858.64

3805.107

Limit of quantitation (LOQ), µg mL ^− 1

14.84

4.75

Limit of detection (LOD), µg mL ^− 1

4.89

1.56