ID: 253 Alternative Destructive Analysis Methods for Safeguards

ID: 253 Alternative Destructive Analysis Methods for Safeguards

ID: 253

Alternative Destructive Analysis Methods for Safeguards

Christopher Ramos
Chris Pickett
U.S. DOE/National Nuclear Security Administration Office of Defense Nuclear Nonproliferation
[email protected]
ABSTRACT

FIG. 1. HORUS 4 with simplified
controls and a reduced
footprint/mass. Right: Sample
cartridge loaded with a clear tube for
visual inspection of deposition.

Traditional destructive analyses methods require extensive efforts for
obtaining, preparing, and analyzing samples; making these analyses costly
and time consuming.
Past R&D efforts (i.e.. Portable mass spectroscopy) provided systems that
were difficult to field leading DNN R&D Safeguards to investigate five
fieldable laser-based DA and alpha-based options that will potentially
provide TIMS comparable results in the field at a fraction of the cost.
The five methods currently being investigated are:
A) Handheld Operation for Uranium Sampling (HORUS) 4 - a fieldable
method based on the Argentine-Brazilian Agency for Accounting and
Control Cristallini technique (ABACC-Cristallini) technique.
B) A fieldable atomic beam laser spectrometer for isotopic analysis that
can measure isotopic composition of uranium samples with high
sensitivity, resolution, and speed.
C) A field-deployable High Performance Infrared (HPIR) analysis
technique for real-time uranium isotope measurements.
D) Laser Induced Spectrochemical Assay for determination of Uranium
Enrichment (LISA-UE).
E) Near Real Time Determination of UF6 Enrichment Detection Levels.
The basic science and the results to date associated with each of these
alternative DA methods will be discussed.

FIG.2 HPIR Instrument laboratory prototype.

FIG. 3 Prototype
fieldable atomic beam
absorption
spectrometer.

BACKGROUND
The key technical challenges are development of field portable, rapid,
destructive analysis techniques for samples containing U or Pu while
maintaining low overall measurement uncertainty.
The DNN R&D Safeguards portfolio focuses on basic R&D needed for
demonstrating prototype technologies and capabilities that:
Improve the efficiency and effectiveness of current safeguards and
Strengthen existing safeguard measures to ensure timely detection of
material diversion and undeclared material production.

FIG. 4 Left: Off-line; Right: On-line configurations of LISA-UE.
FIG. 5. Atomistic molecular dynamics o fUF6
interacting with functionalized SAMs. A: Quick
scatter, no residence time, B: Thermalization of
UF6, resides at interface before thermal
desorption. C: Thermalization and penetration
into the surface.

CHALLENGES / METHODS / IMPLEMENTATION
CHALLENGES
Develop prototype technology to rapidly analyse U and Pu isotopics.
Produce prototype that can later be developed as a fieldable instrument.
Design for precision, accuracy, and ease of use.
Methods
Develop several technologically promising concepts into prototype devices
for the analysis of uranium enrichment. A combination of laser methods,
alpha-counting, and chemical methods were examined for suitability for
use as in-field actinide analysis tools.
Implementation
Examples of each technology prototype are discussed in Figures 1 to 5.

OUTCOME
TECHNOLOGY FOR DEVELOPMENT
Each of the prototype technologies described here can be further
developed by partner offices and agencies to provide reasonable
alternatives for performing timely, high-quality DA analysis in the field.
Each basic R&D project was designed to provide cost-effective, time
efficient sampling, and low size, weight, and power analysis methods for
uranium or plutonium assay determination.

CONCLUSION
Five promising prototype technologies are being prepared for field
evaluations that feature new developments in the treatment and/or
measurement of samples containing uranium or plutonium.
Reliable miniature power supplies for unattended monitoring systems
remain a key challenge.
Completed prototypes have demonstrated that the advancement of infield, high-quality DA techniques is possible.

ACKNOWLEDGEMENTS / REFERENCES
The authors acknowledge the dedicated efforts by scientific and
engineering staff at Argonne National Laboratory, Los Alamos National
Laboratory, Oak Ridge National Laboratory, Lawrence Berkeley National
Laboratory, and Savannah River National Laboratory for their collective
R&D efforts mentioned in this poster. These efforts also may involve
collaborations with the other U.S. Government institutions, universities
and private corporations. The research and development reported herein
is supported by the Office of Defense Nuclear Nonproliferation R&D in the
U.S. Department of Energy/National Nuclear Security Administration
(DOE/NNSA).

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