Parameter Cloxacillin 
Concentration range ¬†μg/mL
Number 4
Average values 0.0025784
Correlation coefficient 0.9986
Relative standard deviation (%) 1.1340
Calibration equation y=787.78x + 0.0839
Limit of detection (LOD) ¬†9.5246 × 10-6 μg/mL
Limit of quantification (LOQ) 2.8861 × 10-5 μg/mL
System suitability 0.00275
Method precision 0.0336%
LOD=3.3 × σ/S, where σ= SDEV of the responses, S= slope of the regression line
LOQ=10 × σ/S, where σ= SDEV of the responses, S= slope of the regression line
Table 11: Statistical validation of the calibration data for quantitative determination of reference cloxacillin.