Abstract
As, Sb and Bi were determined in copper electric cables by atomic absorption spectrometry with electrothermal atomization in a graphite furnace. The interferences in the determination of As, Sb and Bi caused by eleven cationic species and six types of acid were studied. The different volatilization of the copper matrix in comparison to the analyte was studied, as a means of increasing the analyte signal/non-specific absorption signal ratio.
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Castillo, J.R., Löpez-Molinero, A. & Sucunza, T. Determination of As, Sb and Bi in high-purity copper by electrothermal atomic absorption spectrometry. Mikrochim Acta 88, 105–114 (1986). https://doi.org/10.1007/BF01196692
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DOI: https://doi.org/10.1007/BF01196692