Journal of Analytical Chemistry

, Volume 60, Issue 5, pp 426–430 | Cite as

X-ray Fluorescence Determination of Carbon, Nitrogen, and Oxygen in Fish and Plant Samples

  • P. M. Farkov
  • L. N. Il’icheva
  • A. L. Finkel’shtein


The potentials of X-ray fluorescence analysis in the determination of carbon, nitrogen, and oxygen in materials of plant and animal origin were studied. The contribution of photoelectron excitation to the analytical signal and the effect of uncertainties in the attenuation coefficient on the calculation of element concentrations by the absorption correction method were estimated. Methods for calculating analyte concentrations using simple linear regression with absorption correction and multiple regression were compared. The results were also compared with those of pyrolysis-gas-chromatography. The error of the method was 1–2% for element concentrations between 10 and 50% and 25% in the range of nitrogen concentration 1–2%.


Oxygen Nitrogen Linear Regression Attenuation Element Concentration 
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Copyright information

© MAIK “Nauka/Interperiodica” 2005

Authors and Affiliations

  • P. M. Farkov
    • 1
  • L. N. Il’icheva
    • 2
  • A. L. Finkel’shtein
    • 1
  1. 1.Vinogradov Institute of Geochemistry and Analytical Chemistry, Siberian DivisionRussian Academy of SciencesIrkutskRussia
  2. 2.Favorskii Institute of Organic Chemistry, Siberian DivisionRussian Academy of SciencesIrkutskRussia

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