Search Results - "Moalla, S. M. N."

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  1. 1

    A micro mixed micelle-mediated preconcentration procedure for spectrophotometric determination of uranium in real and synthetic samples by Mortada, W. I., Kenawy, I. M. M., El-Gamal, G. G., Moalla, S. M. N.

    “…A micro-cloud point extraction method was discussed for preconcentration and spectrophotometric quantification of U(VI). The method depends on complex…”
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    Journal Article
  2. 2

    A new thiourea derivative [2-(3-ethylthioureido)benzoic acid] for cloud point extraction of some trace metals in water, biological and food samples by Mortada, W.I., Kenawy, I.M.M., Abdel-Rhman, M.H., El-Gamal, G.G., Moalla, S.M.N.

    “…•A cloud point extraction procedure using a new thiourea derivative is proposed.•The procedure with FAAS showed excellent analytical performance and low…”
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  3. 3

    Evaluation of dilute hydrochloric acid and acid ammonium oxalate as extractants for some heavy metals from Nile River sediments by Moalla, S. M. N., Soltan, M. E., Rashed, M. N., Fawzy, E. M.

    Published in Chemistry and ecology (01-08-2006)
    “…The suitability of a 0.5 M HCl solution for extraction of Fe, Mn, Cd, Co, Cu, Pb, and Zn from Nile River sediments was evaluated by comparing its effectiveness…”
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  4. 4

    Distribution and chemical fractionation of some heavy metals in bottom sediments of Lake Nasser by Moalla, S M; N, Awadallah, R M, Rashed, M N, Soltan, M E

    Published in Hydrobiologia (1997)
    “…Distribution and phase association of Cd, Cr, Cu, Fe, Mn, Ni,Pb, Zn and organic matter in Nile sediments taken from LakeNasser (Aswan, Egypt) were…”
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  5. 5

    Physical fractionation of trace and rare earth elements in the sediments of Lake Nasser by Moalla, S.M.N.

    Published in Talanta (Oxford) (12-12-1997)
    “…The distribution of major, trace and rare earth elements in bulk, different particle sized and strongly magnetic fractions of Lake Nasser sediments has been…”
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  6. 6

    Assessment of metals in soil extracts and their uptake and movement within Tamarix nilotica at Lake Nasser banks, Egypt by Soltan, M. E., Moalla, S. M. N., Rashed, M. N., Fawzy, E. M.

    Published in Chemistry and ecology (01-04-2004)
    “…This study aims to determine heavy-metal levels in soil from the banks of Lake Nasser, the ability of Tamarix nilotica to accumulate such metals from soil and…”
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  7. 7

    Bacterial removal of nitrate, nitrite and sulphate in wastewater by AWADALLAH, R. M, SOLTAN, M. E, SHABEB, M. S. A, MOALLA, S. M. N

    Published in Water research (Oxford) (01-10-1998)
    “…The ability of Bacillus stearothermophilus strains Asw 88 and Asw 129 to remove nitrite, nitrate and sulphate, alone or in mixtures, from water was studied in…”
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  8. 8

    Physicochemical characteristics and distribution of some metals in the ecosystem of Lake Nasser, Egypt by Soltan, M.E., Moalla, S.M.N., Rashed, M.N., Fawzy, E.M.

    Published in Toxicological and environmental chemistry (01-04-2005)
    “…To know the interrelationship between some metals in different ecosystem components (water, sediment, aquatic plant and fish), many samples from these…”
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