Abstract
In 2014, first experiments on analysis of the elemental composition of samples by their X-ray fluorescence spectra were performed at the new synchrotron radiation (SR) station using radiation from the 7-pole wiggler on VEPP-4M at the Siberian Center for Synchrotron and Terahertz Radiation (SCSTR). The samples to study were certified Russian and international standards of igneous rocks and lake sediments (AGV-1, BCR-1, SVT-16A, DNC-1, BIR-1, SGD-1A, G-2, and BIL-1). The first results were obtained at the minimum detection limits (MDLs) of heavy and rare earth elements (Z = 55–66) based on the lines of the K series of the characteristic radiation excited by photons with energies of 56 and 69.2 KeV. The resulting detection limits of these elements vary from 0.5 to 2 ppm (g/t).
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Original Russian Text © A.A. Legkodymov, K.E. Kuper, V.P. Nazmov, Yu.P. Kolmogorov, 2015, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2015, Vol. 79, No. 1, pp. 116–121.
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Legkodymov, A.A., Kuper, K.E., Nazmov, V.P. et al. Applying Hard X-rays to determination of the minimum detection levels of rare earth element by the XRFA-SR method. Bull. Russ. Acad. Sci. Phys. 79, 103–108 (2015). https://doi.org/10.3103/S1062873815010207
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DOI: https://doi.org/10.3103/S1062873815010207