Table 2 Evaluation of HPLC–UV performance
From: Anthraquinone in Indonesian infusion tea: analysis by HPLC–UV and risk assessment
Parameters | Anthraquinone |
|---|---|
Linear regression equation | y = 117.26 x + 95.449 |
Coefficient correlation (r) | 0.9999 |
Linear range | 6.24–156 μg/L |
Instrument detection limit (IDL) | 6.24 μg/L |
Relative standard deviation (RSD) at 6.24 μg/L (n = 7) | 15.68% |
CVHorwitz | 34.15% |