Polycapillary Optics Based Confocal Micro X-ray Fluorescence and X-ray Absorption Spectroscopy Setup at The European Synchrotron Radiation Facility Collaborative Research Group Dutch–Belgian Beamline, BM26A

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  • External authors:
  • Stephen Bauters
  • Pieter Tack
  • Jennifer Rudloff-Grund
  • Dipanjan Banerjee
  • Allessandro Longo
  • Laszlo Vincze

Abstract

A novel plug-and-play setup based on polycapillary X-ray optics enables three-dimensional (3D) confocal X-ray fluorescence (XRF) and X-ray absorption spectroscopy down to 8 × 8 × 11 μm3 (17 keV) at the European Synchrotron Radiation Facility Collaborative Research Group Dutch–Belgian Beamline, BM26A. A complete description and analytical characterization is presented, together with two recently performed experimental cases. In Deep Earth diamond São Luiz-Frankfurt am Main 16, an olivine-rich inclusion was mapped with full 3D XRF elemental imaging. The preliminary tests on Iron Gall ink contained in an historical document, a letter from the court of King Philip II of Spain, reveal both the delicate nature of Iron Gall ink and the lack of Fe–Ni chemical bonding.

Bibliographical metadata

Original languageEnglish
Pages (from-to)2389-2394
Number of pages6
JournalAnalytical Chemistry
Volume90
Issue number3
Early online date10 Jan 2018
DOIs
Publication statusPublished - 6 Feb 2018

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