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The analytical procedures for the reference measurements of cadmium and lead concentrations in four candidates for new environmental certified reference materials were developed. Cadmium and lead content was determined in bottom sediment (M-2 BotSed), Baltic herring tissue (M-3 HerTis), cormorant tissue (M-4 CormTis) and codfish tissue (M-5 CodTis). The measurements were carried out with the use of...
A method was developed for the trace determination of lead and cadmium by flame atomic absorption spectrometry (FAAS) with electrochemical preconcentration. Both metals were deposited on the glassy-carbon electrode in a flow-through microcell of volume 3 μl. At a consumption of a 3 μl sample volume, the procedure resulted in an enhancement factor of more than 20 and yielded a detection limit of...
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