| 
      
        | Parameters | Total    of beta-lactams | Total    of sulphonamides |  
        | Calibration    curve | Y =    -0125 + 0.7744 lnX | Y =    -21.758 ln (x) + 40.88 |  
        | Regression coefficient | 0.879 | 0.9926 |  
        | Range    of concentrations | 0.00-58.9 ng / ml | 0.125    to 5.0 ng / mL |  
        | IC50 (concentration at 50 % bounding) | 0.65    ng / ml | 0.75    ng / mL |  
        | Limit    of detection (LOD) | 1.5 μg / ml | 13.3 μg / kg |  
        | Detection capability (CCβ) | 48.5 μg / kg | 54.8 μg / kg |  
        | Repeatability | 5.05% | 7.39% |  
        | Reproducibility    (precision) | 6.28% | 8.82% |  
        | Recovery    (accuracy) | 96.18% | 97.51% |  |