Journal
BRAZILIAN ARCHIVES OF BIOLOGY AND TECHNOLOGY
Volume 48, Issue 5, Pages 681-687Publisher
INST TECNOLOGIA PARANA
DOI: 10.1590/S1516-89132005000600002
Keywords
ICP-MS; axial view ICPOES; electrolytic copper; electrodeposition
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The performance of axial view ICP OES and ICP-MS techniques were compared through the determination of As, Fe, Mn, Pb, Sb and Sn in electrolytic copper. Samples were prepared by two procedures: 1. Total dissolution with 5% v/v HNO3 and 2. Dissolution with 1.4 % v/v HNo3 plus 2.0 % v/v H2SO4, followed by separation of the Cu by electrodeposition. The methods were applied for the analysis of standard copper solutions, using calibration against aqueous solutions with or without the addition of Cu. The results obtained by the two techniques were similar, but the separation of Cu from the sample matrix proved to be more adequale for practical reasons.
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