Ondrej Hegedűs , Alžbeta Hegedűsová , Silvia Šimková , Vladimír Pavlík , Klaudia Jomová
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引用次数: 25
Abstract
ET-AAS and HG-AAS methods of selenium determination were compared and evaluated. The ET-AAS method has been followed with deuterium background correction and Zeeman background correction respectively. The following validation parameters were determined: accuracy (under repeatability conditions), trueness, calibration curve and linearity, limit of detection, limit of determination and combined standard uncertainty of the method. The HG-AAS method and the ET-AAS method with Zeeman correction were more suitable for the determination of low selenium concentrations in vegetables. The results were calculated by the standard addition method because of the strong matrix effect.
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