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
Dumb Ways to Die Ways To Die" will." McCann estimated that within two weeks, it had generated at least $50 million worth of global media value in addition to more than 700 media stories, for "a fraction of the cost of one TV ad". According to Metro Trains, the campaign contributed to a more than 30% reduction in "near-miss" accidents, from 13.29 near-misses per million kilometres in November 2011 – January 2012, to 9.17 near-misses per million kilometres in November 2012 – January 2013. The video was animated by Julian Frost and produced by Cinnamon Darvall. It was uploaded to YouTube on 14 November