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)% recoveryFound (ng/mL)% recovery

25.0024.9199.6424.6598.60
50.0050.83101.6747.4494.87
100.0103.92103.92101.15101.15
200.0193.0296.51202.71101.35
300.0299.5399.84297.4199.14
400.0398.6399.66405.69101.42
500.0501.30100.26495.9899.20
Mean ± SD100.21 ± 2.2599.39 ± 2.32
RSD2.242.33