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Researcher

Koen Janssens

  • Research Expertise:-Structural analysis and analysis of mixtures of crystalline compounds by means of milli-beam X-ray powder diffraction (XRPD) in the lab and microscopic XRPD at synchrotron micro/nanoprobe beamlines. - Microscopic elemental analysis by means of micro-XRF (lateral resolution: ca: 30-40 micrometres in the lab and ca 200 nm at synchrotron nanoprobe beamlines; detection limits for transition elements: in glass-like matrices: ca 50 ppm; at synchrotron facilities: ca 0.5 ppm). - Microscopic major element analysis by means of scanning electron microscopy (lateral resolution: ca 1 micrometer; detection limit: ca 0.1 %).
  • Keywords:MICRO ANALYSIS, ARCHEOMETRY, ANALYTICAL CHEMISTRY, X-RAY FLUORESCENCE (XRF), ENVIRONMENTAL CHEMISTRY, 3D CHARACTERIZATION, TRACE ANALYSIS, ISOTOPIC MEASUREMENTS, SUSTAINABLE DEVELOPMENT, ION SOURCE, Chemistry (incl. biochemistry)
  • Disciplines:Analytical chemistry, Inorganic chemistry, Organic chemistry, Theoretical and computational chemistry, Other chemical sciences, Pharmaceutical analysis and quality assurance, Conservation-restoration science
  • Research techniques:- LA-ICP-MS (laser ablation inductively coupled plasma mass spectrometry) - Micro-Raman (785 nm laser) - Micro-XANES and micro-XAS (requires synchrotron radiation) - Micro-XRD (requires synchrotron radiation) - Confocal micro-XRF and micro-XANES (requires synchrotron radiation)
  • Users of research expertise:- Environmental agencies, metal (ferro and non-ferro) industry, mining companies, geologists, archeologists, ... - - Museumcurators - Restaurators - Researchers in the environmental and/or archeometrical sector