Microcolumn Preconcentration of Mercury Species from Water Samples Prior to HPLC/CV-AFS Speciation

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Authors	ŠTĚPÁNKOVÁ Zdeňka KOMÁREK Josef PELCOVÁ Pavlína KUBÁŇ Vlastimil
Year of publication	2009
Type	Article in Periodical
Magazine / Source	Chemia Analityczna (Warsaw)
MU Faculty or unit	Faculty of Science
Citation
Field	Analytic chemistry
Keywords	Mercury species; Methylmercury; Pre-concentration; Liquid chromatography; Atomic fluorescence spectrometry
Description	Silica gel C-18 microcolumns modified with sodium diethyldithiocarbamate (DDTC), ammonium pyrolidine-1-yl-dithiocarbamate (APDC), 2-mercaptoethanole, 3-mercaptopropionic acid, or dithizone were tested for preconcentration of MeHg+ and Hg(II) from river and lake water samples. Recoveries higher than 85% were obtained. Standard addition method was recommended for samples containing higher concentration of Fe3+.
Related projects:	Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)