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Issue 3, 1997
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Application of the Slurry Technique to the Determination ofSelenium in Fish Samples by Electrothermal Atomic AbsorptionSpectrometry

Abstract

A slurry technique was applied in the development of a sensitive and precise method for selenium determination in fish samples without sample pre-treatment. Several pyrolysis curves were investigated and different chemical modifiers were tested. Ammonium oxalate was used to improve the selectivity. Calibration within the range 2.5–25.0 µg l -1 Se was performed with aqueous standards. The detection limit was calculated as 0.33 µg l -1 and the RSD of the measurements was 5.9% for repeatability and 9.2% for reproducibility. The reliability of the entire procedure was confirmed by analysis of a standard reference material and by comparison with a microwave digestion procedure.

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Article type: Paper
DOI: 10.1039/A605308D
Citation: J. Anal. At. Spectrom., 1997,12, 375-378
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    Application of the Slurry Technique to the Determination of Selenium in Fish Samples by Electrothermal Atomic Absorption Spectrometry

    G. S. B. JANUZZI, FRANCISCO J. KRUG and M. A. Z. ARRUDA, J. Anal. At. Spectrom., 1997, 12, 375
    DOI: 10.1039/A605308D

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