Gamal H. Ragab

Chemiluminescence determination of catecholamines in human blood plasma using 1,2-bis(3-chlorophenyl)ethylenediamine as pre-column derivatizing reagent for liquid chromatography

Gamal H. Ragab, Hitoshi Nohta, Kiyoshi Zaitsu · Analytica Chimica Acta · 2000 · 74 citations

Chemical Measurement, Gas Chromatography, Human Blood Plasma +12

Spectrophotometric determination of certain cephalosporins in pure form and in pharmaceutical formulations

Alaa S. Amin, Gamal H. Ragab · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2004 · 60 citations

Spectrophotometric Determination, Certain Cephalosporins, Gas Chromatography +10

Utility of NBD-Cl for the spectrophotometric determination of some skeletal muscle relaxant and antihistaminic drugs

Hanaa Saleh, Magda Elhenawee, Gamal H. Ragab et al. · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2006 · 51 citations

Spectrophotometric Determination, Medicine, Skeletal Muscle Relaxant +11

Colorimetric determination of β-blockers in pharmaceutical formulations

Alaa S. Amin, Gamal H. Ragab, Hanaa Saleh · Journal of Pharmaceutical and Biomedical Analysis · 2002 · 45 citations

Medicinal Chemistry, Pharmaceutical Science, Medicine +7

Atomic absorption spectroscopic, conductometric and colorimetric methods for determination of fluoroquinolone antibiotics using ammonium reineckate ion-pair complex formation

Gamal H. Ragab, Alaa S. Amin · Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy · 2003 · 36 citations

Chemical Measurement, Engineering, Biochemistry +10