13-18 May 2018
Casino Conference Centre
Europe/Prague timezone

Non-destructive determination of elemental composition of samples of various origin using PIXE technique

14 May 2018, 17:15
1h 30m
Gallery (Casino Conference Centre)

Gallery

Casino Conference Centre

Poster Nuclear Analytical Methods Poster NAM

Speaker

Jakub Zeman (Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava)

Description

One of the crucial advantages of the PIXE (Particle Induced X-ray Emission) technique is its non-destructive approach to the sample treatment during the analytical process. Rare and precious environmental samples can be analysed in order to evaluate the concentration of individual elements presented in the specimen. Composition of various samples and material has been investigated using PIXE technique in the CENTA laboratory. Non-destructive analysis of chondrite and iron meteorites and various mineral samples were carried out using NEC Pelletron. 3 MeV protons were incident in a narrow ion beam (1.5 mm diam.), and emitted X-rays were detected using Canberra BEGe detector. Each sample was measured in 30 positions distributed in a mesh spread over the sample surface. GUPIXWIN software package was used for spectra evaluation. Concentrations of several elements (e.g. Fe, Ni, Cu, Sr, Zn…) were determined in analysed samples which were subsequently processed into surface distribution maps of investigated elements. A comparison of results obtained by PIXE, neutron activation analysis and traditional chemistry will be presented

Primary author

Jakub Zeman (Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava)

Co-authors

Miroslav Ješkovský (Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava, Slovakia) Ján Pánik (Institute of Medical Physics, Biophysics, Informatics and Telemedicine, Faculty of Medicine, Comenius University, 813 72 Bratislava) Jakub Kaizer (Faculty of Mathematics, Physics and Informatics, Comenius University in Bratislava) Ivan Kontuľ (Faculty of Mathematics, Physics and Informatics; Comenius University in Bratislava; Slovakia) Mr Jaroslav Staníček (Faculty of Mathematics, Physics and Informatics, Comenius University, 842 48 Bratislava, Slovakia) Prof. Pavel P. Povinec (Comenius University, Bratislava, Slovakia)

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