Wohlwill process Wohlwill process The Wohlwill process is an industrial-scale chemical procedure used to refine gold to the highest degree of purity (99.999%). The process was invented in 1874 by Emil Wohlwill. This electrochemical process involves using a cast gold ingot, often called a Doré bar, of 95%+ gold to serve as an anode. Lower percentages of gold in the anode will interfere with the reaction, especially when the contaminating metal is silver or one of the platinum group elements. The cathode(s) for this reaction are small sheets of pure (24k) gold sheeting or stainless steel. Current is applied to the system,
Four Ways to Forgiveness Stories, Volume Two" as well. "Four Ways to Forgiveness" has been referred to as a story-suite by critics, based on Le Guin's own use of the term to describe her deliberate inclusion of linked short stories in book form. Le Guin has remarked that the collections of stories could have been a novel had she focused on a few characters; instead she decided to focus on a work with many voices. Four Ways to Forgiveness Four Ways to Forgiveness is a collection of four short stories and novellas by American writer Ursula K. Le Guin. All four stories are set