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Nuclear Radiation Sensors

Preconcentration to Increase Sensitivity (159)

Convection / Diffusion Diagram

Problem: The use of complex, poorly-performing separation processes hinders sensitive signature detection

Project Activity Scope (from Technical Overview Chart): Mechanisms through Instruments

PNNL Solution:

  • Adapted simple, thermally driven isotope separation technology for analyte preconcentration prior to measurement
    • Understood process physics
    • Optimized and scaled up
  • Demonstrated ~ 10,000X enrichment and improved detection sensitivities

Capabilities Employed to Meet Client Needs: Gas phase separations, physical chemistry; system automation.

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Contact: Thomas Zemanian

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Nuclear Radiation Sensors

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