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
FASTER: 100 Ways to Improve Your Digital Life of 100 chapters spread over 4 distinct sections: Ankit Fadia got the inspiration to write this book while hosting a show called MTV What the Hack! for MTV India where he shared tech tips and tricks in every episode. The book has been translated into Hindi and is published by Prabhat Prakash in September 2014. The Book is claimed to have sold over 40,000 copies and is expected to go into the second reprint. It made it to several bestselling lists in India including the Best of 2013 - Indian Non Fiction Bestseller List released by Crossword Bookstores in India