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

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
IIbrahim Hassan Abdulaziz Refaat Qus
Research Rank
2
Research Vol
vol. 69
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
Hassan Farghaly Askl Mohamed
Research Rank
2
Research Vol
vol. 69
Research Year
2008

Stability-Indicating Thin-Layer Chromatographic Method for
Quantitative Determination of Ribavirin

Research Authors
Ibrahim A. Darwish1, Hassan F. Askal1, Alaa S. Khedr1,
Ramadan M. Mahmoud2
Research Department
Department of Pharmaceutical Analytical Chemistry
Research Journal
Chromatographic Science
Research Member
Hassan Farghaly Askl Mohamed
Research Rank
2
Research Vol
vol. 46
Research Year
2008
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