Coprecipitation with aluminium hydroxide and x-ray fluorescence determination of trace metals in water
In: Analytical chemistry. American Chemical Society: Washington. ISSN 0003-2700; e-ISSN 1520-6882, more
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| Authors | | Top |
- Eltayeb, M.A.H.
- Van Grieken, R., more
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| Abstract |
Coprecipitation of trace elements on aluminium hydroxide was combined with energy-dispersive x-ray fluorescence for the analysis of environmental water. The parameters for the preconcentration method were studied. The optimum procedure involves addition of 1 mg of the carrier, at pH 7.3, to a 200-ml water sample. The pH was adjusted by addition of ammonia solution. Quantitative recoveries were obtained for Ti(IV), Cr(III_, As(V), Pb(II) and Th(IV). The precision was 4–6% and the detection limits were in the range 0.2–0.8 µg l-1. |
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