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,
Commodity pathway diversion seen as a commodity by one person and something else by another. Such shifts and differences in whether and when a thing is a commodity reveal a moral economy that stands behind the objective economy of visible transactions. In his discussion of commoditization, he also presents the idea of singularization which occurs because "there are things that are publicly precluded from being commoditized…[and are] sometimes extended to things that are normally commodities—in effect, commodities are singularized by being pulled out of their commodity sphere." Kopytoff goes on to describe ways in which commodities can be singularized, for example, through restricted