Wohlwill process lower purity gold is required refiners often utilize the Miller process due to its relative ease, quicker turnaround times, and because it does not require a large inventory of gold, in the form of chloroauric acid, on site at all times. 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
Refine M5 Hyundai Starex, with the front DRG being completely the same as the Starex while featuring a independently developed rear end design, replacing the tail lamps, tail gate, and rear bumper. In the first few years of its introduction, the M5 (second generation Refine MPV) was sold alongside its predecessor. The second generation Refine M5 MPV debuted as a concept named the JAC Refine IV at the 2010 Beijing Auto Show. The production car debuted at the 2011 Shanghai Auto Show in April 2011. After the establishment of the Refine brand, the JAC Refine MPV was renamed to Refine M5, positioning