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Chemical Sensors

Heavy Metal/Radionuclide Preconcentration (272)

Problem: Preconcentration needs rapid sorption, high binding affinity, good chemical selectivity, and good chemical stability

Graphic representation of Heavy Metal/Radionuclide Preconcentration

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

PNNL Solution:

  • Install rigid, open pore, chemically specific sorbent layer on interface
  • Novel morphologies tailored to multiple analytical methods (films, capillaries, etc.)
  • Metal loading can be interrogated spectroscopically, electrochemically or by radiodecay counting.
  • Sub-ppb detection demonstrated in the laboratory

Capabilities Employed to Meet Client Needs: Nano-technology, ceramic fabrication/processing, surface chemistry; ceramic chemistry; glass chemistry; separations chemistry and processes; material sciences; materials synthesis and performance evaluation.

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Contact: R. Shane Addleman

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