Walid Tawfik

Improved LIBS limit of detection of Be, Mg, Si, Mn, Fe and Cu in aluminum alloy samples using a portable Echelle spectrometer with ICCD camera

Walid Tawfik · Optics & Laser Technology · 2007 · 159 citations

Natural Sciences, Materials Engineering, Materials Science +15

Chitosan/graphene oxide composite as an effective removal of Ni, Cu, As, Cd and Pb from wastewater

A.A. Menazea, Hend A. Ezzat, Wessam S. Omara et al. · Computational and Theoretical Chemistry · 2020 · 118 citations

Engineering, Environmental Engineering, Materials Science +12

DFT: B3LYP/ LANL2DZ Study for the Removal of Fe, Ni, Cu, As, Cd and Pb with Chitosan

Hend A. Ezzat, A.A. Menazea, Wessam S. Omara et al. · Biointerface Research in Applied Chemistry · 2020 · 78 citations · Full text

Natural Sciences, Chemistry, Materials Science +13

Investigation on the effects of laser parameters on the plasma profile of copper using picosecond laser induced plasma spectroscopy

Mohamed Fikry, Walid Tawfik, Magdy M. Omar · Optical and Quantum Electronics · 2020 · 70 citations

Natural Sciences, Materials Engineering, Physics +17

Comparative study of two new commercial echelle spectrometers equipped with intensified CCD for analysis of laser-induced breakdown spectroscopy

Mohamad Sabsabi, Vincent Detalle, Mohamed Abdel Harith et al. · Applied Optics · 2003 · 62 citations

Natural Sciences, Materials Engineering, Materials Science +12