Preparation of Molecular Imprinted Polymer Based on Chitosan as the Selective Sorbent for Solid-Phase Microextraction of Phenobarbital

Table 1

Analytical characteristics of the proposed method

Figures of merit
R^2 a	0.9979
Linear range (μg·mL^−1)	0.01-4
LOD (ng·mL^−1)^b	7.50
LOQ (ng·mL^−1)	25.0
A single fiber (RSD)% ^c	3.89
Fiber to fiber (RSD)%	5.90

^aSquare of correlation coefficient. ^bLimit of detection (n = 20). ^cRelative standard deviation for 6 replicate determinations of 0.1 μg·mL⁻¹ phenobarbital.