A. Hamza

Analysis of some selected catechins and caffeine in green tea by high performance liquid chromatography

M.S. El-Shahawi, A. Hamza, Saleh O. Bahaffi et al. · Food Chemistry · 2012 · 126 citations

Food Chemistry, Polyphenolics, Medicine +5

A new method for analysis of sunset yellow in food samples based on cloud point extraction prior to spectrophotometric determination

M.S. El-Shahawi, A. Hamza, A.A. Al-Sibaai et al. · Journal of Industrial and Engineering Chemistry · 2012 · 85 citations

Food Chemistry, Cloud Point Extraction, Environmental Monitoring +13

Part 1. Spectrophotometric determination of trace mercury (II) in dental-unit wastewater and fertilizer samples using the novel reagent 6-hydroxy-3-(2-oxoindolin-3-ylideneamino)-2-thioxo-2H-1,3-thiazin-4(3H)-one and the dual-wavelength β-correction spectrophotometry

A. Hamza, Abdulaziz S. Bashammakh, A.A. Al-Sibaai et al. · Journal of Hazardous Materials · 2010 · 50 citations

Environmental Chemistry, Part 1, Novel Reagent +8

Dual-wavelength β-correction spectrophotometric determination of trace concentrations of cyanide ions based on the nucleophilic addition of cyanide to imine group of the new reagent 4-hydroxy-3-(2-oxoindolin-3-ylideneamino)-2-thioxo-2H-1,3-thiazin-6(3H)-one

A. Hamza, Abdulaziz S. Bashammakh, A.A. Al-Sibaai et al. · Analytica Chimica Acta · 2009 · 32 citations

Chemical Measurement, Engineering, Biochemistry +9

Fast and selective removal of trace concentrations of bismuth (III) from water onto procaine hydrochloride loaded polyurethane foams sorbent: Kinetics and thermodynamics of bismuth (III) study

M.S. El-Shahawi, A. Hamza, A.A. Al-Sibaai et al. · Chemical Engineering Journal · 2011 · 30 citations

Chemical Engineering, Engineering, Selective Removal +10