Pure solution Tablet
Method X  ±  S.E. Relative error (%) F3.3 value (9.28) X  ±  S.E. Relative error (%) F3.3 value (9.28)
Official method [32] 98.0 ± 0.50 0.851   97.0 ± 0.6 0.90  
Method (I) 99.2± 0.11 0.891 0.785 98.6 ± 0.112 0.621 0.566
Method (II) 99.5± 0.46 0.624 0.748 98.9 ± 0.013 0.651 0.901
Method (III) 99.7± 0.06 0.339 0.806 99.5 ± 0.372 0.917 0.739
Spiked urine Spiked human serum
Official method [32] 98.0 ± 0.44 0.822   98.1 ± 0.2 0.911  
Method (I) 98.7± 0.73 0.621 0.625 98.5 ± 0.035 0.481 0.577
Method (I): The standard addition method
Method (II): The Calibration curve method.
Method (III): The Potentiometric titrations method.
X ± S.E: Recovery ± standard error
F- tabulated is 6.39 at 95.0% confidence limit.
t- tabulated at 99.0% confidence limit and 6 degrees of freedom
Table 6: Statistical treatment of data obtained for the determination of CLOusing the CLO-ST/CMCPE