Analyte | Concentration (μg mL−1) | Intra-daya | Inter-dayb | ||
---|---|---|---|---|---|
Recovery (mean ± S.D.) | Er (%) | Recovery (mean ± S.D.) | Er (%) | ||
Tylosin | 50.0 | 99.8 ± 0.2 | 0.1 | 99.1 ± 0.6 | 0.4 |
100.0 | 99.5 ± 0.6 | 0.4 | 100.2 ± 0.4 | 0.2 | |
150.0 | 99.6 ± 0.6 | 0.3 | 99.7 ± 0.5 | 0.3 | |
Josamycin | 50.0 | 100.8 ± 0.3 | 0.2 | 100.3 ± 0.3 | 0.2 |
125.0 | 99.6 ± 0.5 | 0.3 | 100.9 ± 0.4 | 0.2 | |
250.0 | 99.7 ± 0.5 | 0.3 | 99.6 ± 0.6 | 0.4 |