-Nano chemistry and its related industrial and biological applications. -Coordination Chemistry and its industrial and biological applications. -Beneficiation of some low-cost inorganic materials. -Separation of some metal ions in binary mixtures and the elution of these ions when adsorbed on ion exchange resins and on some nanocomposites. -Determination of the concentrations of metal ions complexometry and spectrophotometry using graphite furnace atomic absorption. -Water Pollution Assessment and Remediation.