Table 3.
Accuracy and precision data for tylosin and josamycin using the proposed method
|
Analyte |
Concentration (μg mL
−1
) |
Intra-day
a
|
Inter-day
b
|
||
|---|---|---|---|---|---|
| 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 | |
N.B. Each result is the average of three separate determinations.
aIntra-day: within the day.
bInter-day: three consecutive days.