publication . Bachelor thesis . 2016

Trace speciation analysis of arsenic in beverages

Fajgarová, Aneta;
Restricted Czech
  • Published: 01 Jan 2016
  • Country: Czech Republic
Abstract
The aim of this bachelor thesis was to determine the toxicologically important arsenic species in beverages (beer, wine and apple juice) with minimal sample preparation. Determination of arsenic species was performed by selective hydride generation of arsenic hydrides with cryogenic collection under liquid nitrogen and detection by atomic absorption spectrometry. In all the samples only inorganic arsenic was found, methyl substituted species were below the limit of detection. The method is suitable for speciation analysis of arsenic in beverages. Detection limits are low enough, the determination is not influenced by the sample matrix. The results were also in g...
Subjects
Medical Subject Headings: inorganic chemicalsintegumentary system
free text keywords: arsen; generování hydridů; beverages; speciační analýza; speciation analysis; hydride generation; arsenic; nápoje
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