Items | HPLC | TLC | ||
---|---|---|---|---|
LEVA | TCBZ | LEVA | TCBZ | |
Wavelength (nm) | 215 nm | 215 nm | ||
Linearity range (mg/L) | 3.75–37.5 mg/L | 6–60 mg/L | 2–14 mg/L | 2–14 mg/L |
Intercept | 32507 | 35799 | 1175.3 | 3700.1 |
Slope | 49529 | 69627 | 1201.5 | 922.73 |
Correlation coefficient (r2) | 0.9999 | 0.9999 | 0.9998 | 0.9998 |
Accuracy (Mean ± SD) | 99.78 ± 1.8 | 99.70 ± 1.0 | 100.11 ± 0.95 | 100.12 ± 0.67 |
Precision | ||||
Repeatability (% RSD) | 0.58 | 0.62 | 1.1 | 0.56 |
Intermediate precision (% RSD) | 0.64 | 0.67 | 1.1 | 0.58 |
LOD (mg/L) | 0.712 | 1.099 | 0.538 | 0.446 |
LOQ (mg/L) | 2.157 | 3.331 | 1.632 | 1.353 |