2002
Determination of Selenium in Blood Serum by Inductively Coupled Plasma Atomic Emission Spectrometry with Pneumatic Nebulization
MACHÁT, Jiří; Viktor KANICKÝ a Vítězslav OTRUBAZákladní údaje
Originální název
Determination of Selenium in Blood Serum by Inductively Coupled Plasma Atomic Emission Spectrometry with Pneumatic Nebulization
Autoři
MACHÁT, Jiří; Viktor KANICKÝ a Vítězslav OTRUBA
Vydání
Analytical and Bioanalytical Chemistry, Heidelberg, Springer, 2002, 1618-2642
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10406 Analytical chemistry
Stát vydavatele
Německo
Utajení
není předmětem státního či obchodního tajemství
Kód RIV
RIV/00216224:14310/02:00006344
Organizační jednotka
Přírodovědecká fakulta
UT WoS
000176103100012
Klíčová slova anglicky
Selenium speciation; Spectrometry; ICP-AES; Pneumatic nebulization
Změněno: 20. 5. 2003 14:53, Mgr. Jiří Machát, Ph.D.
Anotace
V originále
The possibility of determination of selenium in blood serum using inductively coupled plasma emission spectrometry with conventional pneumatic nebulization was studied. A high-resolution spectrometer (SBW = 6 pm) with laterally viewed ICP was employed. Analysis with conventional pneumatic nebulization could overcome laborious and demanding digestion, which is necessary for hydride generation. A pressure digestion with nitric acid at 160oC was sufficient to decrease the carbon content in serum sample to 5-10% of its original value. Spectral interference of the CN band was observed and mathematically corrected. It was found that the carbon-induced selenium line emission enhancement occurred even under ICP optimized conditions. A method of determination was developed and applied to the analysis of blood serum. True limit of detection in real samples is 0.01-0.02 mg/L and the limit of quantification (RSD 10%) is 0.03-0.07 mg/L using Se I 196.090 nm line at an integration time 10-2 s. The method was tested by analysis of porcine blood serum and serum reference material Seronorm MI 0181.
Návaznosti
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