Extracting Gold . HowStuffWorks
To isolate pure gold, mining companies use a complex extraction process. The first . The gravel like material then enters rotating drums filled with steel balls.
How Is Mercury Used to Purify Gold? . Sciencing
Apr 24, 2017 . Although gold resists most chemicals, mercury dissolves it. . It is this property that caused it to receive the name hydrargyrum, meaning "watery silver" in Greek, . it useful for extracting gold from ore in a process of amalgamation and . other nonmetallic elements like sulfur, a problem for miners to which.Get Price