Table 1: Some figures of merit for the CE-UV method applied to the determination of cocaine on banknotes.

ParameterValue

Linearity—slope (L mg−1)
Linearity—intercept
Linearity—correlation coefficient ( )0.9997
Instrumental precision (RSD%); peak area; 0.3
Instrumental precision (RSD%); migration time; 2.2
Intraday precision (RSD%); migration time; 2.2
Intraday precision (RSD%); peak area; 3.0
Interday precision (RSD%); peak area; (1 mg L−1); 0.3
Interday precision (RSD%); peak area; (2 mg L−1); 4.5
Interday precision (RSD%); peak area; (3 mg L−1); 3.4
LOD (mg L−1) for standard0.2
LOQ (mg L−1) for standard0.8