Table 1 Linearity parameters of RIB by the proposed method as authentic and in spiked human plasma samples

Linearity range (µg/mL)

0.06–10.00

≈ 2.46 × 10^–7 M–4.09 × 10^–5 M

0.06–10.00

≈ 2.46 × 10^–7 M–4.09 × 10^–5 M

Correlation coefficient (r)

0.9998

0.9830

Determination coefficient (R²)

0.9997

0.9663

Slope (b)

0.0527

0.0577

SD of slope

0.00556

0.00353

Intercept (a)

1.18

1.17

SD of intercept

0.00023

0.000295

LOD (µg/mL)

0.014

0.016

LOQ (µg/mL)

0.04

0.05