I am looking for a chemical or chemicals that alone or combined
produce measurable non-ionizing radio-frequency (RF) energy.

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Request for Question Clarification by hedgie-ga on 03 May 2005 20:46 PDT

someday-ga
 
          It could help if you elaborate the question a bit.

 RF energy is  non-ionizing and any material, left alone 
 for a long time, even if it is radioactive will eventually reach
 some stable state. Could you describe the application?

Just make a chemical battery and conect a metal spring to both poles
to store current... then release the spring to throw an RF signal. So,
it would be a chemical reaction+circuit what creates the RF.