Parameters Proposed methods
ASM AMM EXRSM
     
MOX HCT MOX HCT MOX HCT
λ nm 210 nm , 310 nm 210 nm, 310 nm 202 nm 274 nm
Linearity  
Beers law range 1-13 µg/ml 1-13 µg/ml 1-13 µg/ml 1-13 µg/ml 1-9 µg/ml 1-14 µg/ml
Regression equation Y  = 0.1103X+ 0.0015 Y = 0.1103X +0.0015 Y = 1.01X-0.0022 Y = 1.01X-0.0022 Y = 0.1622 X +0.0036 Y = 0.0934 X  -0.0051
Correlation coefficient (r) 0.9999 0.9999 0.9998 0.9998
Accuracy(Mean ±S.D) 99.98 ± 0.526 100.20 ± 0.563 99.92 ± 0.519 100.09 ± 0.529 100.10 ± 0.706 99.91 ± 0.670
LOD 0.185 0.185 0.158 0.158 0.167 0.233
LOQ 0.560 0.560 0.479 0.479 0.505 0.706
Precision (R.S.D %)            
Repeatability a 0.502 0.353 0.408 0.398 0.443 0.348
Intermediate precision b 0.598 0.788 0.698 0.639 0.867 0.472
Specificity and selectivity 99.92 99.68 100.29 100.35 100.35 99.81
(Mean ±S.D) ± 1.01 ± 0.922 ± 0.819 ± 0.724 ± 0.981 ± 0.872
a, bIntraday and interday, relative standard deviations for determination of samples of ( 6,8 and 9 µg /ml ) and ( 10,12 and 13 µg/ ml) of MOX and HCT respectively.
Table 4: Validation of the results obtained by applying the proposed methods for the analysis of MOX and HCT