Table 2.
Precision of the HPTLC method for the determination of lycorine (repeatability)
| Experiment number | Intra-day precision | Inter-day precision | ||||
|---|---|---|---|---|---|---|
| Concentration (μg spot−1) | Mean ± SD | RSD (%) | Concentration (μg spot−1) | Mean ± SD | RSD % | |
| 1 |
0.215 0.219 0.22 |
0.218 ± 0.0027 | 1.21 |
0.205 0.211 0.208 |
0.003 ± 0.208 | 1.44 |
| 2 |
0.419 0.420 0.411 |
0.4167 ± 0.005 | 0.98 |
0.403 0.409 0.412 |
0.408 ± 0.0046 | 1.12 |
| 3 |
0.628 0.620 0.615 |
0.621 ± .0066 | 1.05 |
0.602 0.608 0.615 |
0.6083 ± 0.006 | 1.07 |
| 4 |
0.805 0.813 0.823 |
0.814 ± 0.0092 | 1.1 |
0.811 0.807 0.826 |
0.81467 ± 0.011 | 1.22 |
| 5 |
1.028 1.015 1.037 |
1.0267 ± 0.01 | 1.07 |
1.055 1.081 1.074 |
1.07 ± 0.013 | 1.25 |
| 6 |
1.215 1.203 1.225 |
0.011 ± 1.214 | 0.907 |
1.215 1.227 1.202 |
1.21467 ± 0.012 | 1.03 |