Table 8 Robustness of the method by changing wavelength ( n = 3) (concentration 100μg/mL)
From: Stability-indicating RP-HPLC method for the determination of 6-gingerol in polyherbal formulations
Detection wavelength (nm) | Mean area ± SD | Mean R t ± SD | %RSD of area | %RSD of R t | ||
|---|---|---|---|---|---|---|
Actual | Used | Level | ||||
280 | 278 | −2 | 9,823,452 ± 77,546 | 13.1 ± 0.26 | 0.78 | 1.9 |
280 | 0 | 9,921,953 ± 65,391 | 13.3 ± 0.20 | 0.89 | 0.66 | |
282 | +2 | 9,895,383 ± 100,166 | 13.6 ± 0.23 | 1.01 | 1.7 | |