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Applicability of PIXE and XRF to Fast Drill Core Analysis in Air

In English

Författare

Summary, in English

The properties of particle-induced X-ray emission, PIXE, and secondary target mode X-ray fluorescence, XRF, applied to the analysis of unprepared drill cores in open air have been evaluated. Typical detection limits for elements heavier than Mg have been determined for a PIXE-system with an external 2.55 MeV proton beam and for an XRF-system with Ti, Mo and Tb secondary targets. These two systems were found to have similar detection limits for most elements in a typical geological sample. The heterogeneous composition of drill cores prevents the performance of accurate matrix corrections, though calculations using fundamental parameters show that in the PIXE analysis of elements heavier than Ca, these corrections are much less sensitive to variations in the matrix composition than in the XRF analysis.

Publiceringsår

1981

Språk

Engelska

Sidor

313-321

Publikation/Tidskrift/Serie

Advances in X-Ray Analysis

Volym

24

Dokumenttyp

Artikel i tidskrift

Förlag

International Centre for Diffraction Data

Ämne

  • Subatomic Physics
  • Production Engineering, Human Work Science and Ergonomics

Nyckelord

  • trace element analysis
  • drill cores
  • XRF
  • X-ray fluorescence
  • particle induced X-ray emission
  • PIXE

Status

Published