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List of works by Ayman Abou El-fetouh Gouda

A new coprecipitation method without carrier element for separation and preconcentration of some metal ions at trace levels in water and food samples.

scientific article

A novel spectrofluorimetric method for the assay of pseudoephedrine hydrochloride in pharmaceutical formulations via derivatization with 4‐chloro‐7‐nitrobenzofurazan ⬇️

scientific article published on November 8, 2010

Cloud point extraction, preconcentration and spectrophotometric determination of trace amount of manganese(II) in water and food samples

scientific article published on 26 April 2014

Cloud-point extraction, preconcentration and spectrophotometric determination of trace quantities of copper in food, water and biological samples.

scientific article published on 8 October 2013

Development and validation of a rapid stability indicating HPLC-method using monolithic stationary phase and two spectrophotometric methods for determination of antihistaminic acrivastine in capsules

scientific article published on 18 April 2014

Extractive Spectrophotometric Method for the Determination of Tropicamide ⬇️

scientific article published on January 1, 2012

High performance liquid chromatography for simultaneous determination of xipamide, triamterene and hydrochlorothiazide in bulk drug samples and dosage forms

scientific article published on 01 March 2016

Impregnated multiwalled carbon nanotubes as efficient sorbent for the solid phase extraction of trace amounts of heavy metal ions in food and water samples.

scientific article

Spectophotometric methods for determination of cefdinir in pharmaceutical formulations via derivatization with 1,2-naphthoquinone-4-sulfonate and 4-chloro-7-nitrobenzo-2-oxa-1, 3-diazole

scientific article published on 28 April 2011

Spectrophotometric determination of etodolac in pure form and pharmaceutical formulations.

scientific article

Spectrophotometric determination of gemifloxacin mesylate, moxifloxacin hydrochloride, and enrofloxacin in pharmaceutical formulations using Acid dyes.

scientific article published on 22 January 2014

Spectrophotometric determination of pipazethate HCl, dextromethorphan HBr and drotaverine HCl in their pharmaceutical preparations

scientific article published on 28 September 2006

Spectrophotometric determination of some histamine H1-antagonists drugs in their pharmaceutical preparations.

scientific article

Utility of certain sigma- and pi-acceptors for the spectrophotometric determination of ganciclovir in pharmaceutical formulations.

scientific article published on 25 June 2009

Utility of solid phase spectrophotometry for the modified determination of trace amounts of cadmium in food samples.

scientific article published on 28 October 2011

Utility of solid-phase spectrophotometry for determination of dissolved iron(II) and iron(III) using 2,3-dichloro-6-(3-carboxy-2-hydroxy-1-naphthylazo)quinoxaline.

scientific article published on 7 July 2008

Utility of some pi-acceptors for spectrophotometric determination of gatifloxacin in pure form and in pharmaceutical preparations.

scientific article

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