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  • Title: [Preconcentration of trace Fe, Mn, Cu and Cd in water with charcoal and determination by flame atomic absorption spectroscopy].
    Author: Luo Y, Zhang K, Li C, Zhang Y, He J.
    Journal: Hua Xi Yi Ke Da Xue Xue Bao; 1993 Sep; 24(3):339-42. PubMed ID: 8288215.
    Abstract:
    The absorption of Fe, Mn, Cu and Cd by charcoal and the influence of pH, particle size and temperature on absorption were studied. A method for the preconcentration of these irons in water was established, and with flame atomic absorption spectroscopy a content as low as microgram/L could be determined. The recovery and the coefficient of variance (n = 6) were in the range of 90-113% and 2.6-9.9%, respectively. The proposed method is simple, rapid, accurate reproducible and suitable for the preconcentration and determination of titled metal irons in different kinds of water.
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