Dr Hatem Al-Aoh currently works as Associate Professor for analytical chemistry at Department of chemistry, Faculty of Science, University of Tabuk Saudi Arabia Hatem Al-Aoh does research in preparation of metal oxide nano-particles, treatment of synthesis waste water using adsorption technique The most recent publications are Adsorption of hazards materials on low cost adsorbent and metal oxide nano-particles Moreover, my current research interests is adsorption of hazards heavy metals a