Standardless EDXRF technique using bremsstrahlung radiation from a transmission type x-ray generator
Year: 2019
Type: preprint
Abstract: We demonstrate the use of bremsstrahlung radiation in energy dispersive x-ray fluorescence technique as a tool to perform elemental analysis of solid samples employed in inter-disciplinary science research. The bremsstrahlung radiation can be taken from a small, portable, transmission type x-ray generator. Theoretically generated bremsstrahlung spectra are found to be in good agreement with the experimentally observed spectra obtained with various operating anode voltages of the x-ray generator. A computer program is written by using few atomic parameters to obtain the elemental concentrations in the sample by a single run. In this case knowledge of incoming x-ray flux, geometry of experimental arrangement are not required. To validate the technique, we have taken an Indian one-rupee coin of year 2000 as a sample, whose composition is well known, to expose to the bremsstrahlung radiation produced by the operating voltages 20, 25, and 30 kV. The relative concentrations of different elements are determined, which is in good agreement with the earlier results.
Source: arXiv (Cornell University)
Authors: Soumya Chatterjee, T. Nandi, Debasis Mitra
Language: English
Subfield: Radiation
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: green
OpenAlex ID: W2989942862