Table 1.

Regression parameters for the determination of NIC and CAF using the proposed green chromatographic method

Parameter	NIC	CAF
Linearity range (μg/mL)	0.1–20.0	0.2–40.0
Correlation coefficient (r)	0.9999	0.9999
Slope ± SDa	317.13 ± 3.17	24.65 ± 0.49
Intercept ± SDa	31.58 ± 0.33	18.82 ± 0.03
LODb (μg/mL)	0.03	0.07
SDa of residuals	6.61	1.02
% RSDc	1.24	1.25
% Error	0.44	0.44

^a Standard deviation

^b Limit of detection

^c Relative standard deviation