International Journal of Analytical Chemistry / 2009 / Article / Tab 3

Research Article

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

Table 3

Analytical parameters for the proposed kinetic initial rate methods for determination of OMZ.

Analytical parametersIodine methodDDQ method

Linear range (mol)
Least square equation
Slope (n)
Correlation coefficient ( )0.99900.9996
(mol) (0.08) (0.14)
(mol) (0.25) (0.42)

Figures in parenthesis are the quantities in mL−1.
is the reaction rate, is the conditional rate constant, is the order of reaction, and is the molar concentration of OMZ.
 To simplify the calculation of both LOD and LOQ, the simple nonlogarithmic equations [V and [V ] were used for both iodine and DDQ methods, respectively, where is the reaction rate and is the molar concentration of OMZ.

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