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Single-Purpose Atomic Absorption Spectrometer AMA-254 for Mercury Determination and its Performance in Analysis of Agricultural and Environmental Materials

J. Száková, D. Kolihová, D. Miholová, and P. Mader

Faculty of Agronomy, Czech University of Agriculture, CZ-165 21 Prague, Czech Republic

 

E-mail: szakova@af.czu.cz

Received: 30 June 2003

Abstract: A single-purpose atomic absorption spectrometer based on in situ dry ashing followed by gold amalgamation cold vapour AAS was evaluated. Various agricultural and environmental certified reference materials (CRMs) and internal reference materials of wide range of mercury contents were analyzed and good agreement with certified values was found. Control chart of the results of mercury determination in CRM 12-02-03 (Lucerne) as well as the results of interlaboratory trials suggested that the system of mercury determination was under control. Evidently, wide spectrum of agricultural and environmental materials can be analyzed for mercury contents even at levels less than 1 μg kg−1.

Full paper in Portable Document Format: 585a311.pdf

 

Chemical Papers 58 (5) 311–315 (2004)

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