Abstract
A flotation method is proposed for the quantitative preconcentration and determination of total chromium by electrothermal atomic absorption spectrometry in fresh water samples, without previous reduction or oxidation of the chromium ion state. Hydrated iron(III) oxide and iron(III) tetramethylenedithiocarbamate were used as precipitating collectors. The detection limit of the method is 0.01 μg/L.
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Čundeva, K., Stafilov, T. Determination of total chromium in fresh water by atomic absorption spectrometry following flotation preconcentration. Fresenius J Anal Chem 352, 354–356 (1995). https://doi.org/10.1007/BF00322232
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DOI: https://doi.org/10.1007/BF00322232