FIELD: physics.
SUBSTANCE: analysed specimen is X-ray irradiated. X-ray radiation comprises at least two discrete lines in various X-ray spectrum sections. X-ray spectral line intensity in secondary radiation is measured. Note here that measured are intensities of coherent and incoherent dissipated lines of exciting radiation located in short- and long-wave X-ray spectra to derive regression relationship for standard specimen to define content of carbon, hydrogen and oxygen in analysed specimens.
EFFECT: higher accuracy, validity and reliability.
7 cl, 4 dwg
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