International Journal of Analytical Chemistry / 2009 / Article / Tab 6

Research Article

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

Table 6

Determination of OMZ in presence of common excipients by the proposed fixed time methods.

IngredientRecovery ( % ± SD
Iodine methodDDQ method

Starch 99.26 ±0.3998.86 ±0.66
Glucose ( )99.42 ±1.0299.33 ±1.53
Lactose ( )100.49 ±1.35101.11 ±1.45
Acacia ( )101.02 ±0.75100.85 ±0.64
( )99.31 ±0.9698.94 ±0.75

Average ± SD99.90 ±0.8099.82 ±1.08
Pool SD0.891.01

 Values are mean of three determinations.
Figures in parenthesis are the amounts in mg added per 20 mg of OMZ.
MS   Magnesium stearate.

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