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Table 4 Precision data for the determination of LEV and AMB by the proposed method

From: Micellar liquid chromatographic method for the simultaneous determination of Levofloxacin and Ambroxol in combined tablets: Application to biological fluids

Parameters LEV concentration (μg/mL) AMB concentration (μg/mL)
   15.0 20.0 32.5 3.6 4.8 6.0
Intraday % Found 98.15 99.48 102.89 97.67 98.97 102.23
97.00 98.82 100.93 102.99 102.06 101.01
99.94 97.06 99.29 98.33 99.23 98.00
X ¯ 98.36 98.45 101.04 98.45 100.09 101.04
± SD 1.48 1.25 1.80 1.25 1.71 1.80
% RSD 1.51 1.27 1.78 1.27 1.71 1.78
% Error 0.87 0.73 1.03 0.73 0.99 1.03
Interday % Found 98.55 99.95 101.09 100.19 100.31 101.69
98.92 99.03 99.20 99.22 102.03 100.51
100.18 100.80 100.89 98.82 99.90 99.88
X ¯ 99.22 99.93 100.39 99.41 100.75 100.69
± SD 0.86 0.89 1.04 0.70 1.13 0.92
% RSD 0.86 0.89 1.04 0.71 1.12 0.91
% Error 0.50 0.51 0.60 0.41 0.65 0.53