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,
What Are You Going to Do to Help the Boys? What Are You Going to Do to Help the Boys? "What Are You Going to Do to Help the Boys?" is a World War I era song released in 1918. Gus Kahn wrote the lyrics. Egbert Van Alstyne composed the music. It was published by Jerome H. Remick & Co. of Detroit, Michigan. Artist E.E. Walton designed the sheet music cover. It features Uncle Sam inside a red, white, and blue question mark. He is holding his beard and looking down at liberty bonds. To the left of this image it reads, "Buy a Liberty Bond!" on some editions. The