Research Article
Application of Samarium- and Terbium-Sensitized Luminescence via a Multivariate-Based Approach for the Determination of Orbifloxacin
Table 7
Determination of ORLX in the bulk powder using the optimum conditions.
| | ORLX-Sm(III) | ORLX-Tb(III) | Taken (ng/mL) | Found (ng/mL) | % recovery | Found (ng/mL) | % recovery |
| 25.00 | 24.91 | 99.64 | 24.65 | 98.60 | 50.00 | 50.83 | 101.67 | 47.44 | 94.87 | 100.0 | 103.92 | 103.92 | 101.15 | 101.15 | 200.0 | 193.02 | 96.51 | 202.71 | 101.35 | 300.0 | 299.53 | 99.84 | 297.41 | 99.14 | 400.0 | 398.63 | 99.66 | 405.69 | 101.42 | 500.0 | 501.30 | 100.26 | 495.98 | 99.20 | Mean ± SD | | 100.21 ± 2.25 | | 99.39 ± 2.32 | RSD | | 2.24 | | 2.33 |
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