BM20A

Synopsis

A highly specialized actinide/radionuclide XAFS beamline, also suited for environmental studies at low concentrations (a few ppm). Np, Pu, Am, Cm and Cf can be handled up to a total activity of 185 MBq.
Status:  open

Disciplines

  • Chemistry
  • Environmental Sciences

Applications

  • Basic actinide chemistry
  • Nuclear waste management
  • Environmental chemistry of actinides and other radionuclides (Tc)

Techniques

  • XANES - X-ray absorption near-edge structure
  • EXAFS - extended X-ray absorption fine structure

Energy range

  • 5.0 - 35.0  keV

Beam size

  • Minimum (H x V) : 1.0 x 0.5  mm²
  • Maximum (H x V) : 10.0 x 2.0  mm²

Sample environments

  • Low temperature (15 K)
  • Electrochemical cell

Detectors

  • 13-element high-purity Ge detector
  • Ionization chambers