APS Spectroscopy Group
Sector-20 ID and BM Beamlines, & Sector-9 BM

at the Advanced Photon Source

Argonne National Laboratory
A Partnership between the X-ray Science Division and the Canadian Light Source
University of Washington Canadian Light Source Advanced Photon Source


Sector 20 maintains laboratory space for chemical handling and powder sample preparation for XAFS measurements. Users from around the APS, not just sector 20, wishing to prepare samples for measurement are welcome to use this XAFS sample preparation facility.


For safety reasons - for awareness and to maintain control of hazards - users of the Prep. Lab. are required to submit an ESAF. For users already at sector 20, access is automatic with the ESAF submitted for running at sector 20. Users from other sectors must submit a non-Xray type ESAF (available in selection of ESAF type on first page of ESAF submission form) so that staff at sector 20 can evaluate the hazards and appropriateness of using the XAFS Prep. Lab.


Equipment available in the XAFS Preparation Facility at Sector 20


Benchspace with standard tools for handling materials



Microscopes, connected to computer for image capture

Pellet press


Pellet Press Instructions

Parts for the pellet press





Other supplies available

Ball Mill (no image)


Frequent APS Links:
Ops Information
SR Status
User Portal
Beamline Schedules
Advisory Committee
Argonne Guest House
Publication Database
Other Frequent Links:
Absorption of Gases
Estimate of photon flux
McMaster Tables
LBNL X-ray Tools
Commissioning Notebook
(internal only)

Physical Constants
X-ray Data Booklet 

Sector 20 operations are supported by the US Department of Energy and the Canadian Light Source.
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