Over the previous decades, applications of acid digestions for the determination of gold have reported low or variable gold recoveries from geological samples on a consistent basis. 1,2 Poor gold ...

Globally, the minerals industry is operating in an increasingly challenging environment. Lower and more volatile metal prices, declining ore grades, increasing production costs, environmental ...

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CANBERRA, Australia, Aug. 21 (UPI) -- A new X-ray method can detect gold in ore samples faster and more accurately than traditional chemical analysis methods, Australian scientists say. The technique ...