International Journal of Analytical Chemistry / 2009 / Article / Tab 7

Research Article

New Sensitive Kinetic Spectrophotometric Methods for Determination of Omeprazole in Dosage Forms

Table 7

Determination of OMZ in its dosage forms by the proposed methods.

Dosage formLabel claim ( ± SD
Initial rate methodFixed-time method method
IodineDDQIodineDDQ

Gastrazole capsules 99.82 ±1.6598.91 ±1.78100.24 ±1.8499.20 ±1.53100.40 ±1.34
0.631.510.21.32
1.521.761.891.30

Losec tablets 99.41 ±1.2499.70 ±1.13100.32 ±0.9499.93 ±1.13100.90 ±1.18
1.961.640.140.64
1.101.090.630.92

Values are mean of five determinations.
The tabulated values of and at 95% confidence limit are 2.78 and 6.39, respectively.
Reference [12].

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