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Optimization and Validation of an RP-HPLC Method for Analysis of Hydrocortisone Acetate and Lidocaine in Suppositories
(AOAC Int, Gaithersburg, 2010)
An RP-HPLC method has been optimized and validated for the simultaneous determination of hydrocortisone acetate and of lidocaine in suppositories. For the method optimization, response surface methodology was applied, and ...
Column high-performance liquid chromatographic determination of norfloxacin and its main impurities in pharmaceuticals
(AOAC Int, Gaithersburg, 2008)
A gradient reversed-phase column high-performance liquid chromatographic method was developed for the detection and quantification of norfloxacin and its major impurities in norfloxacin-containing pharmaceuticals. ...
Validation of an Oil-in-Water Microemulsion Liquid Chromatography Method for Analysis of Perindopril tert-Butylamine and Its Impurities
(AOAC Int, Gaithersburg, 2011)
This paper describes the development and validation of a microemulsion liquid chromatography (MELC) method for simultaneous determination of perindopril tert-butylamine and its impurities in bulk active substances and the ...
High-performance thin-layer chromatography determination of some antimycotic imidazole derivatives and preservatives in medicinal creams and a gel
(AOAC Int, Gaithersburg, 2005)
Simple and reliable thin-layer chromatography-densitometry methods for determination of antimycotics (bifonazole, clotrimazole, and miconazole) and preservatives (benzyl alcohol and benzoic acid) were developed. The pairs ...
Determination of Carbamazepine and Its Impurities Iminostilbene and Iminodibenzyl in Solid Dosage Form by Column High-Performance Liquid Chromatography
(AOAC Int, Gaithersburg, 2010)
An accurate and precise RP-HPLC method was developed and validated for the determination of carbamazepine and its impurities iminostilbene and iminodibenzyl in a tablet formulation with fluphenazine as an internal standard. ...
Development and Validation of an HPLC Method for Determination of Ziprasidone and Its Impurities in Pharmaceutical Dosage Forms
(AOAC Int, Gaithersburg, 2011)
Ziprasidone is known as a novel "atypical" or "second-generation" antipsychotic drug. A sensitive and reproducible method was developed and validated for determination of ziprasidone and its major impurities, which are ...
Development and Optimization of an HPLC Analysis of Citalopram and Its Four Nonchiral Impurities Using Experimental Design Methodology
(AOAC Int, Gaithersburg, 2012)
In this study, the RP-HPLC method was investigated for the separation of citalopram and its four impurities by use of statistical experimental design. Initially, the influence of different experimental conditions (buffer ...
New Methods for Drug Analysis in Biological Samples and Other Matrixes
(AOAC Int, Gaithersburg, 2011)
High-Performance Liquid Chromatographic Determination of Pantoprazole and Its Main Impurities in Pharmaceuticals
(AOAC Int, Gaithersburg, 2010)
An RP-HPLC method for simultaneous separation and quantification of pantoprazole and its five main impurities in pharmaceutical formulations was developed and validated. The separation was accomplished on a Zorbax Eclipse ...
New and Improved HPLC Methods for Drug Formulations and Clinical Analysis
(AOAC Int, Gaithersburg, 2010)