Parkes process: Revision history

Jump to navigation Jump to search

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

2 December 2024

  • curprev 19:5219:52, 2 December 2024‎ Admin talk contribs‎ 1,590 bytes +1,590‎ Created page with "The '''Parkes process''' is a pyrometallurgical industrial process for removing silver and gold from lead. It is an example of liquid-liquid extraction. ==Principles== The process takes advantage of several properties of zinc. # Zinc has low melting (420°C) and boiling (907°C) points # As liquids, zinc and lead are immiscible # Noble metals are much more soluble in zinc than in lead. ==Overview== Zinc is added to liquid lead that contains silver, then th..."
Retrieved from "http://nowa-cl.com/index.php/Parkes_process"