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Updated: Jul 4, 2026

Atomic Absorbance Spectroscopy to Measure Intracellular Zinc Pools in Mammalian Cells
Published on: May 16, 2019
Triple-phase single-drop microextraction of silver and its determination using graphite-furnace atomic-absorption
Mahmoud Chamsaz1, Mohammad Hossein Arbab-Zavar, Jeyran Akhondzadeh
1Department of Chemistry, Faculty of Sciences, Ferdowsi University of Mashhad, Iran.
Abstract:
A new method is described for the determination of silver based on triple-phase microextraction using diethyldithio-carbamate (DDTC) and thioaminophenol. Ag is separated and preconcentrated from the matrix of the sample solution, and finally determined by electrothermal atomic-absorption spectroscopy. The parameters that affect the efficiency were investigated. Under the optimized conditions, a 30-fold preconcentration factor with a detection limit of 0.05 microg L(-1) was achieved. The relative standard deviation was 10% (5 determinations). The developed method was applied to the determination of trace Ag in water samples.
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