Browsing by Author "Olagunju, O.T."

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    SPECTOPHOTOMETRIC DETERMINATION OF Cu, Ni, AND Fe IN TWO ENVIRONEMNTAL SAMPLES USING PARA-PHENYLENEDIAMINE EXTRACTED FROM A NATURAL MINERAL DYE
    (Department of Chemistry, University of Ilorin Ilorin, 2011) Adebayo, G. B.; Adekola, F.A.; Olagunju, O.T.
    A simple, sensitive and novel spectrophotometric method has been developed for the determination of trace elements (Cu, Ni and Fe) using para-phenylenediamine extracted from a mineral dye with diethyl ether. The method was applied to the determination of these metals in algae and cattle manure samples obtained from a polluted river and cattle house within Ilorin Metropolis. The concentration of the metals in algae sample were 30.15±4.1 51.9±9.4 and 1055.25±8.8 ppm for Cu, Ni, and Fe respectively while cattle manure were found to be 15.5±2.1, 25.15±5.5 and 429.15±17.2, ppm for Cu, Ni and Fe, respectively. Two standard methods of determination of heavy metals, AAS and XRF were also used to determine the same metals in the environmental samples. The results obtained were found to be of no significant difference (p ‹ 0.05) from the result of developed method.