Gold extraction the purity of gold. The parting of gold from silver has been done since ancient times starting in Lydia in the 6th century BC. Various techniques have been practised; salt cementation from ancient times, parting using distilled mineral acids from medieval times, and in modern times using chlorination using the Miller process and electrolysis using the Wohlwill process. Gold extraction Gold extraction refers to the processes required to extract gold from its ores. This may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore. Gold mining from alluvium ores was once achieved
The Purity of the Turf The Purity of the Turf "The Purity of the Turf" is the third episode of the first series of the 1990s British comedy television series "Jeeves and Wooster". It is also called "The Village Sports Day at Twing" or "The Gambling Event." It first aired on on ITV. Adapted from "Indian Summer of an Uncle" (from "Very Good, Jeeves") and "The Purity of the Turf" (from "The Inimitable Jeeves"). Bertie's Uncle George wishes to marry a young waitress. Aunt Agatha is dismayed and, through Bertie, offers the girl ₤100 to break off the engagement; instead, however, Bertie meets Maud Wilberforce,