Table 6 The parameters of analytical of D-μ-SPE -HPLC–PDA technique for tartrazine detection.
Validation parameters | Values |
|---|---|
Linearity range (ng mL−1) | 5–1000 |
Relative standard deviation (RSD %) | 0.75–3.6 |
R2 (Correlation coefficients) | > 0.992 |
LOD (Limit of detection) (ng mL−1) | 0.38–0.74 |
LOQ (Limit of quantification) (ng mL−1) | 1.34–2.42 |
EF (Enrichment factor) | 80.6–86.4 |
Extraction Recovery (ER %) | 98.64 |
Pre-concentration factor | 22.3 |
