Content of Heavy Metal in Samples Collected from Waste Dumpsites - Abdallah, Saidu Akun;Uzairu, Adamu;Okunola, Oluwole Joshua
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Total Concentrations of heavy metals (Pb, Cr, Zn, Cd, Mn and Cu) were investigated in soils, Eleusine indica and Lumbricus terrestris from selected solid waste dumpsites of Kano and Kaduna metropolitan cities, Nigeria. The chemical mobility and potential phytoavailability of the metals were also determined in the soils using a six-step sequential extraction procedure. Physicochemical properties of the soils were also assessed using standard procedures. Flame Atomic Absorption Spectrophotometer was used for the chemical analysis of the test sample extracted. The results of the total metal…mehr

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Produktbeschreibung
Total Concentrations of heavy metals (Pb, Cr, Zn, Cd, Mn and Cu) were investigated in soils, Eleusine indica and Lumbricus terrestris from selected solid waste dumpsites of Kano and Kaduna metropolitan cities, Nigeria. The chemical mobility and potential phytoavailability of the metals were also determined in the soils using a six-step sequential extraction procedure. Physicochemical properties of the soils were also assessed using standard procedures. Flame Atomic Absorption Spectrophotometer was used for the chemical analysis of the test sample extracted. The results of the total metal concentrations in the test samples were higher at the dumpsites (p PlantsEarthworms. The levels of Pb, Cd, Cr and Cu in most of the dumpsites exceeded the CCME threshold limits for agricultural soils. The concentrations of the mobilized fractions indicated that about 50% to 60% of the metals were in the residual phase suggesting that the pollutants were more in the inert form and may pose no immediate threat to the environment and man.
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Autorenporträt
Abdallah Saidu Akum is a Chemist with a Master Degree in Analytical Chemistry. He is a member of Institute of Chartered Chemist of Nigeria (ICCON) and Chemical Society of Nigeria (CSN). He has several papers to his credit and current lecture at Hussain Adamu Federal Polytechnic, Jigawa State, Nigeria.