[ fusor ] - Neutron - Radiation detection
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Subject   Re: Neutron activation of bromine
Posted by Jon Rosenstiel on 2007-05-21 13:26
Nice work, Carl.

Bromine is also used as a flame retardant in plastics and epoxies. I've run XRF analysis (X-Ray Fluorescence) on various items in my lab, and just about every electrical / electronic device I have analyzed that is made from plastic or is plastic or epoxy coated strongly emits bromine's Ka (11.92 keV) and Kb (13.29 keV) x-rays. Motorcycle ignition coils, capacitors, CFL lamp bases, etc, etc.

I tried neutron activation on a couple of these items, but evidently the amount of Br was too small, as I could not measure any gammas.

Jon Rosenstiel

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