Features of using of the hard X-rays ( 60 – 120 keV ) of synchrotron radiation for determination the trace concentrations of rare-earth and heavy elements by the SRXFA method

15 Jul 2020, 18:30
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Oral X-ray fluorescent analysis X-ray fluorescent analysis


Mr Aleksandr Legkodymov


The analysis of the elemental composition of samples by their X-ray fluorescence spectra were performed at the synchrotron radiation station using radiation from the 9-pole wiggler on VEPP-4M at the Siberian Center for Synchrotron and Terahertz Radiation (SSTRC).
The excitation energy for the determination of rare-earth elements (La-Lu) and heavy platinoids (Os,Ir,Pt) and also Au was 60 - 120 keV. The Compton and the multiple scattering of radiation from samples was analysed. The samples Russian and International standarts were used.
The work was done using the infrastructure of the Shared-Use Center "Siberian Synchrotron and Terahertz Radiation Center (SSTRC)" based on VEPP-4M of BINP SB RAS (Novosibirsk, Russian Federation, using equipment supported by project RFMEFI62119X0022. This work is partially supported by RFBR grant 17-45-540618.

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