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  2. -- Reliable Performance Gold Mining Process

Reliable Performance Gold Mining Process

A s gold has only one naturally occurring isotope 197Au excitation by the Xrays pushes the gold atoms into an excited or isomeric state which has a halflife of about 773 seconds When this isomeric state returns to the ground or unexcited state the gold atoms emit gammarays with a characteristic energy of about 279 keV thousand

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