Miller process amount of gold in the form of chloroauric acid which the Wohlwill process permanently requires for the electrolyte. Miller process The Miller process is an industrial-scale chemical procedure used to refine gold to a high degree of purity (99.95%). It was invented by Francis Bowyer Miller ( patented 1867). This chemical process involves blowing a stream of pure chlorine gas over and through a crucible filled with molten, but impure, gold. This process purifies the gold because nearly all other elements will form chlorides before gold does, and they can then be removed as salts that are insoluble in the
Ways to Strength and Beauty feature Leni Riefenstahl. Ways to Strength and Beauty Ways to Strength and Beauty () is a 1925 German silent film directed by Nicholas Kaufmann and Wilhelm Prager. The film was produced by Ufa-Kulturfilmabteilung of Weimar Germany. The action was an idealized, somewhat naive depiction of health and beauty in conformity with nature. The film offered a contrast to the rather hopeless lifestyles available in Berlin and other large cities of Germany during the twenties and became an immediate success. Finally it became the most popular and most important German "kulturfilm" of this period. The film is best known as the