Abstract
Thallium is determined in natural waters by electrothermal atomic absorption Spectrometry after preconcentration. Thallium is oxidized and retained as the tetrachlorothallate (III) ion on an anion exchange column, followed by elution with ammonium sulfite solution. A concentration factor of 400 is achieved. The detection limit of the method is 3.3 ng/1.
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de Ruck, A., Vandecasteele, C. & Dams, R. Determination of thallium in natural waters by electrothermal atomic absorption spectrometry. Mikrochim Acta 92, 187–193 (1987). https://doi.org/10.1007/BF01201838
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DOI: https://doi.org/10.1007/BF01201838