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diy electric arc gold refining in portugal

DIY spectrometry Gold Refining,Jun 18 2014 · The sample to be tested is ground flat and placed in the spectrometer Under a controlled atmosphere usually He an electric arc goes between a usually W electrode and the sample The arc rips off atoms from the sample and when these atoms pass the plasma of the arc ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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