Chemical Sciences Journal

ISSN: 2150-3494

Open Access

Articles in press and Articles in process

    Research Article Pages: 1 - 8

    Removal of Hg++ from aqueous solution using TiO2 nanoparticles

    Abdunnaser Mohamed Etorki, Ezzedein Mohamed Aboushloa*

    Nanometer-sized titanium dioxide prepared in the Lab chemically modified with 8-hydroxyquinolin and used for selective solid phase extraction processes, separation and preconcentration process of aluminum (III) from aqueous solutions prior to its determination by Inductively Coupled Plasma optical emission-Mass spectrometry(ICP-MS) and Graphite furnace atomic Absorption Spectrometry(GFAAS). The optimal conditions for the proposed solid phase extraction (SPE: 0,1g of TiO2- modified oxine, 6h shaking time,
    pH 6.5). The experimental results was fitted well to Langmuir isotherm equation to determine the maximum adsorption capacity.The static maximum adsorption capacity was 69.013mg/g. The lowest concentration of aluminum (Al+3) was (30.0μg/L) and the highest concentration was (14585μg/L). The method was successfully applied to the determination of trace of aluminum in areas near to the factories in
    east of Tripoli.

      Research Article Pages: 1 - 5

      Physicochemical Analysis of Stagnant Surface Water Used for Drinking Purposes for LivestockÔ??s in Jarar Zone Somali Regional State of Ethiopia

      Abi Legesse , Addis Ababa

      This research was carried out to investigate the physicochemical parameters of livestock drinking water samples collected from Falfal, Degehabur and Bulale areas in Somali regional state of Ethiopia. The objective of this research was to analyze the physicochemical parameters of water ponds used for livestock drink. The result was recorded that, the pH, Temperature, Total Dissolved Solid and Total hardness was 7.17°C ± 0.03°C, 22.51°C ± 0.18°C, 17.50 ± 2.60 mg/L and 825.22 ± 92.18 mg/L, respectively. The mean concentration of Chloride ion, Magnesium ion and calcium ion was 422.09 ± 64.05 mg/L, 61.37 ± 6.56 mg/L, and 200.70 13.23 mg/L, respectively. The mean Chemical Oxygen Demand and Biological Oxygen Demand were also recorded which was 12.67 0.54 mg/L and 7.47 0.67 mg/L, respectively. The obtained results were also compared to the national and international standards to determine the quality of livestock drinking water. Accordingly, the measured pH was in agreement with World health organization and Ethiopian standards agency standards, which was 6.5 to 8.5. The Temperature, Total hardness and chloride ion concentration was above the standard limit set by World health organization and Ethiopian standards agency. The concentration of Total Dissolved Solid, Mg2+ and Ca2+ was in agreement with World health organization and Ethiopian standards agency standards. The standards for Chemical Oxygen Demand and Biological Oxygen Demand were not available both from World health organization and Ethiopian standards agency.

        Research Article Pages: 1 - 4

        Dependence of the Composition of Conife Films on the Electrolyte Concentration during Electrochemical Deposition

        Tikhonov Russia

        A study on electrochemical deposition in a triple-component CoNiFe system from a chloride electrolyte solution with equal concentrations of Co, Ni, and Fe was performed. The concentrations used were 0.48; 0.083; 0.00625 mol/l, and the temperature was 70°├É┬í. The relative content of the components in the film approached the composition of the electrolyte, though the concentration of each component was slightly decreased. The dependence of the composition of films on the current density is explained by concentration polarization.

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