Non-Extractive Procedure and Pre-Column Derivatization
with 7-Chloro-4-Nitrobenzo-2-Oxa-1,3-Diazole for Trace
Determination of Trimetazidine in Plasma by HPLC with
Fluorescence Detection

Research Authors
Ibrahim A. Darwish1, Ashraf M. Mahmoud1,2, Nasr Y. Khalil1
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
AOAC Int.
Research Member
Ibrahim Ali Mohamed Darwish
Research Rank
2
Research Vol
vol. 91 - No. 5
Research Year
2008

Spectrophotometric Determination of H2-Receptor
Antagonists via their Oxidation with Cerium(IV)

Research Authors
Ibrahim A. Darwish1, Samiha A. Hussein1 , Ashraf M.
Mahmoud1, Ahmed I. Hassan2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Spectrochimica Acta, Part A
Research Member
Ashraf Mohamed Mohamed Mahmoud
Research Rank
2
Research Vol
vol. 69
Research Year
2008

Spectrophotometric Determination of H2-Receptor
Antagonists via their Oxidation with Cerium(IV)

Research Authors
Ibrahim A. Darwish1, Samiha A. Hussein1 , Ashraf M.
Mahmoud1, Ahmed I. Hassan2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Spectrochimica Acta, Part A
Research Member
Samiha Abdel-Rahman Hussein Mohammed
Research Rank
2
Research Vol
vol. 69
Research Year
2008

Spectrophotometric Determination of H2-Receptor
Antagonists via their Oxidation with Cerium(IV)

Research Authors
Ibrahim A. Darwish1, Samiha A. Hussein1 , Ashraf M.
Mahmoud1, Ahmed I. Hassan2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Spectrochimica Acta, Part A
Research Member
Ibrahim Ali Mohamed Darwish
Research Rank
2
Research Vol
vol. 69
Research Year
2008

A Sensitive Spectrophotometric Method for the
Determination of H2-Receptor Antagonists by Means of NBromosuccinimide
and p-Aminophenol

Research Authors
Ibrahim A. Darwish1, Samiha A. Hussein1 , Ashraf M.
Mahmoud1, Ahmed I. Hassan2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Acta Pharm
Research Member
Ashraf Mohamed Mohamed Mahmoud
Research Rank
2
Research Vol
vol. 58
Research Year
2008

A Sensitive Spectrophotometric Method for the
Determination of H2-Receptor Antagonists by Means of NBromosuccinimide
and p-Aminophenol

Research Authors
Ibrahim A. Darwish1, Samiha A. Hussein1 , Ashraf M.
Mahmoud1, Ahmed I. Hassan2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Acta Pharm
Research Member
Samiha Abdel-Rahman Hussein Mohammed
Research Rank
2
Research Vol
vol. 58
Research Year
2008

A Sensitive Spectrophotometric Method for the
Determination of H2-Receptor Antagonists by Means of NBromosuccinimide
and p-Aminophenol

Research Authors
Ibrahim A. Darwish1, Samiha A. Hussein1 , Ashraf M.
Mahmoud1, Ahmed I. Hassan2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Acta Pharm
Research Member
Ibrahim Ali Mohamed Darwish
Research Rank
2
Research Vol
vol. 58
Research Year
2008

Quantitative Thin-Layer Chromatographic Method for
Determination of Amantadine Hydrochloride

Research Authors
Hassan F. Askal1, Alaa S. Khedr1, Ibrahim A. Darwish1,
Ramadan M. Mahmoud2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Biomed. Sci
Research Member
Ibrahim Ali Mohamed Darwish
Research Rank
2
Research Vol
vol. 4 - No. 2
Research Year
2008

Quantitative Thin-Layer Chromatographic Method for
Determination of Amantadine Hydrochloride

Research Authors
Hassan F. Askal1, Alaa S. Khedr1, Ibrahim A. Darwish1,
Ramadan M. Mahmoud2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Biomed. Sci
Research Member
Hassan Farghaly Askl Mohamed
Research Rank
2
Research Vol
vol. 4 - No. 2
Research Year
2008

A Selective Spectrophotometric Method for Determination
of Rosoxacin Antibiotic Using Sodium Nitroprusside as a
Chromogenic Reagent

Research Authors
Hassan F. Askal1, Ibrahim H. Refaat1, Ibrahim A. Darwish1,
Mostafa A. Marzouq2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Spectrochimica Acta, Part A
Research Member
Ibrahim Ali Mohamed Darwish
Research Rank
2
Research Vol
vol. 69
Research Year
2008
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