Research Article
Capillary Electrophoresis with UV Detection to Determine Cocaine on Circulated Banknotes
Table 1
Some figures of merit for the CE-UV method applied to the determination of cocaine on banknotes.
| Parameter | Value |
| 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 standard | 0.2 | LOQ (mg L−1) for standard | 0.8 |
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