Table 5 Precision of the method ( n = 3)
From: Stability-indicating RP-HPLC method for the determination of 6-gingerol in polyherbal formulations
Conc (μg/mL) | Inter-day precision | Intra-day precision | Inter-system precision | |||
|---|---|---|---|---|---|---|
Mean area ± S.D | %RSD | Mean area ± S.D | %RSD | Mean area ± S.D | %RSD | |
50 | 4,960,041 ± 43,252.2 | 0.87 | 4,986,741 ± 6,581.8 | 0.13 | 4,890,871 ± 89,279 | 1.7 |
100 | 9,940,953 ± 49,519.8 | 0.50 | 9,964,553 ± 30,550.5 | 0.31 | 9,846,981 ± 100,596 | 1.0 |
200 | 19,607,079 ± 200,575 | 1.02 | 19,540,413 ± 113,271 | 0.58 | 19,507,079 ± 395,006 | 2.02 |