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Updated: Nov 26, 2025

Determination of Inorganic Arsenic in a Wide Range of Food Matrices using Hydride Generation - Atomic Absorption Spectrometry.
Published on: September 1, 2017
On-line electrochemical preconcentration and electrochemical hydride generation for determination of antimony by
Jakub Masac1, Lubomir Machynak1, Jan Lovic1
1Institute of Analytical Chemistry, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinskeho 9, 812 37, Bratislava, Slovakia.
Abstract:
Trace concentrations of antimony in aquatic samples were determined by high resolution continuum-source atomic absorption spectrometry (HR-CS AAS) after electrochemical pre-concentration and electrochemical hydride generation. Antimony was electrochemically deposited in a microporous glassy carbon electrode as elemental antimony then was electrochemically converted at the same electrode surface to antimony hydride which was transported by argon gas to the quartz cuvette of the spectrometer. The detection limit and precision of the method are below 0.1 μg L-1 and 3-5%, respectively. The method was employed for the determination of antimony in a CRM and water samples including surface, underground and waste water.
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