Václav Stužka

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The analyses of Cu, Mg, Se, and Zn in blood serum and colon tissue samples from twenty colorectal cancer patients by atomic absorption spectrometry (AAS) were accomplished. Serum levels of these elements were compared with contents found in control group samples. The mean serum levels of Se were lowered in colorectal cancer compared to controls. The(More)
Conditions have been found for the determination of some phenoxazones by titanometric coulometry using platinum electrode to generate Ti(III) ions, while the point of equivalency was recorded potentiometrically. It has been found, that correct and accurate results can be obtained when the amount of ethanol in the coulometric vessel is within 2—7 ml and the(More)
This article describes a study in which four trace elements (Se, Mn, Cu, and Fe) were analyzed in the blood serum of the patients with colorectal cancer from the Moravian region of the Czech Republic. Atomic absorption spectrometry with graphite furnace atomization was used for analysis of selenium and manganese and with flame atomization for analysis of(More)
  • 1998
Department of Analytical Chemistry, Palacký University, Třída Svobody 8, 771 46 Olomouc, Czech Republic Received May 28, 1998 Abstract The formation of ion associates between cationic basic dyes and pentachlorophenol, picric acid and some voluminous inorganic anions was studied. Three phenylmethane and thiazine dyes form the ion associates extractable to(More)
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