Speciation of Certain Trace Elements in Aquatic Environment - Mahmoud, Hazem H.
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Two analytical techniques namely, atomic absorption spectrometry and ion chromatography were used for the total content analyses of heavy elements in water and sediments from Ismaelia canal. These elements are copper, lead, iron, nickel, cobalt, cadmium and manganese. Element speciation in natural water is important for its toxicity, bioavailability, environmental mobility and biogeochemical behavior. Ionic species of Cr(III) and the toxic Cr(VI) were separated by anion exchange ion chromatography. Total chromium in water samples is analyzed by flame atomic absorption spectrometer. Effect of…mehr

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Produktbeschreibung
Two analytical techniques namely, atomic absorption spectrometry and ion chromatography were used for the total content analyses of heavy elements in water and sediments from Ismaelia canal. These elements are copper, lead, iron, nickel, cobalt, cadmium and manganese. Element speciation in natural water is important for its toxicity, bioavailability, environmental mobility and biogeochemical behavior. Ionic species of Cr(III) and the toxic Cr(VI) were separated by anion exchange ion chromatography. Total chromium in water samples is analyzed by flame atomic absorption spectrometer. Effect of pH and ionic strength of water samples on the chromatographic separation of Cr(VI) were studied. Hydride generation atomic absorption spectrometry is a highly sensitive and accurate procedure for determination of As(III) and As(V) in environmental samples. The effect of the concentration of reducing agent sodium borohydride (NaBH4), the effect of flow rate of sodium borohydride, the effect of the concentration of hydrochloric acid (HCl), the effect of the flow rate of argon gas and the effect of the sample volume on the intensity of the signal of arsenic were illustrated in the book.
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Autorenporträt
Dr. H.H. Mahmoud and Associate Prof. H.M. Saleh were born in Giza, Egypt in April 1970. They were graduated in 1992 and received their M.Sc. and Ph.D. from Cairo University, Faculty of Science, Department of Chemistry. Author and editor are currently working in Nuclear Research Center, Atomic Energy Authority, Egypt.