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Analytical parameters.
| Parameters/Characteristics | Values |
|---|---|
| Colour of folic acid solution | Slightly yellow to colorless depending on the folic acid concentration |
| λmax (nm) | 285 |
| Stability (h) | 20hr |
| Beer's law range (μg/ml) | 1–25 |
| Limit of detection (μg/ml) | 0.011 |
| Limit of quantification (μg/ml) | 0.033 |
| Percentage recovery (salt) (%) | 100 ± 1.2 |
| Percentage recovery (spray solution) (%) | 100 ± 1.9 |
| Regression Equation | |
| Slope | 0.0539 |
| Intercept | 0.00 |
| Correlation coefficient (R) | 1.00 |
