Browsing by Author "Cati, Livingstone Kudjoe"

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    Determination of some heavy metals in biological samples from Tarkwa and its environs
    (2000) Cati, Livingstone Kudjoe
    Atomic Absorption Speetrophoiornetry technique was used to determine the lvels of the heavy metals zinc, cadmium and lead in food samples drawn from Tarkwa and its environs, a mining area, after wet digestion with cone HNO3. The preliminary studies showed very high values for Taikwa above tiiose of the other sites; Acheampoa, Ahwetieso, Hunyanu and Kojo Djan. The impact analysis was therefore focused on Tarkwa and zero. 4 in on the two suburbs Atuabo and Brahabebor, close to the mine Goldfields Ghana Limited. The range of the concentration (ppm, dry weight) of the metals is as follows: Atuabo: Zinc, 30.20 to 85.70 (±16.84) Cadmium, 4.20 to 7.4C (±1.05) Lead, 14.90to25.20 (±3.32) Brahabebor: Zinc, 33.20 to 266.50 (±67.65) Cadmium, 4.7Oto 8.40 (±1.16) Lead 6.10to34.20 (±17.60)