Mixture No. Degradate % Taken
OZ g mL-1
D1 method D1 method MCN method
OZ (µg mL-1) OZ (µg mL-1) OZ (µg mL-1)
At 290.4 nm At 332 nm At 288.5 nm At 328 nm At 312.8 nm
Found Recovery % Found Recovery % Found Recovery % Found Recovery % Found Recovery %
1 10 27 27.31 101.15 27.39 101.44 27.01 100.04 26.80 99.26 27.31 99.75
2 20 24 24.42 101.75 24.23 100.96 24.07 100.29 24.38 101.58 24.42 98.88
3 30 21 21.23 101.10 21.31 101.48 21.35 101.67 21.12 100.57 21.23 99.42
4 40 18 18.24 101.33 18.23 101.28 18.28 101.56 18.28 101.56 18.24 99.04
5 50 15 15.14 100.93 15.14 100.93 15.16 101.07 15.18 101.20 15.14 99.22
6 60 12 12.05 100.42 12.23 101.92 12.14 101.17 12.11 100.92 12.05 101.00
7 70 9 9.06 100.67 9.14 101.56 9.16 101.78 9.07 100.78 9.06 100.21
8 80 6 6.07 101.17 6.06 101.00 6.09 101.50 6.05 100.83 6.07 98.29
Mean RSD%       101.07 0.401   101.32 0.343   101.14 0.640   100.84 0.728   99.48 0.845
Table 3: Determination of OZ in presence of its degradate in laboratory prepared mixtures by the D1, DD1 MCN methods.