Optimization of the Voltammetric Determination of Arsenic in Foodstuffs

Autor:	V. I. Deryabina, G. B. Slepchenko, E. A. Zakharova
Rok vydání:	2005
Předmět:	inorganic chemicals Acid digestion Chromatography integumentary system Supporting electrolyte Chemistry Inorganic chemistry chemistry.chemical_element Analytical Chemistry law.invention chemistry.chemical_compound Ashing law Sample preparation Arsenic trichloride Distillation Arsenic
Zdroj:	Journal of Analytical Chemistry. 60:503-507
ISSN:	1608-3199 1061-9348
DOI:	10.1007/s10809-005-0129-3
Popis:	With the aim of simplifying and accelerating the voltammetric analysis of foodstuffs, it is proposed that ultrasound be used in the acid digestion of samples, voltammograms be recorded without removing oxygen, to determine arsenic(III) be determined directly in salts and food supplements soluble in the supporting electrolyte, and arsenic be distilled off. Sample preparation with the distillation of arsenic trichloride from the sample solution is an alternative to wet and dry ashing in the analysis of all type of foodstuffs and various waters.
Databáze:	OpenAIRE
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