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Mercury Traces Determination by Voltammetry on Gold Fibre Microelectrode in Some Food Samples

M. Rievaj, Š. Mesároš, and D. Bustin

Department of Analytical Chemistry, Faculty of Chemical Technology, Slovak Technical University, CS-812 37 Bratislava

 

Abstract: Gold fibre microelectrode was applied for mercury traces determination by differential pulse anodic stripping voltammetry in mushrooms. The food sample decomposition procedure with concentrated HNO3 under elevated pressure and temperature in a digestion device is described. The method was tested on synthetic samples spiked with Hg(ClO4)2. Sufficient decomposition of the organic matrix was reached during the sample pretreatment and no significant loss of mercury was observed.

Full paper in Portable Document Format: 471a31.pdf

 

Chemical Papers 47 (1) 31–33 (1993)

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