Moxifloxacin- Limit of detection (LOD) & Limit of Quantification (LOQ)
S.No. Injection No. Slope Y-Intercept R2
1 Inj-1 23059.4 27156.504 0.999
2 Inj-2 23184.9 25399.4381 0.999
3 Inj-3 23070.2 31121.98583 0.998
Average 23104.8333 27892.6426 0.9987
STDEV 69.550 2931.435 0.001
LOD=3.3 x σ/S
LOD 0.4 ppm    
LOQ=10 x σ/S
σ = Standard deviation of y-intercepts of regression line
S= slope of the linearity curve
LOQ 1.3 ppm    
Acceptance Criteria: LOD & LOQ values shall be less than the minimum linearity concentration
Table 6: