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 FASTER: 100 Ways to Improve Your Digital Life FASTER: 100 Ways To Improve Your Digital Life is the fifteenth book written by Ankit Fadia and contains mobile tips, tricks and tweaks. This book is aimed at technology users who are looking to make best use of their gadgets and technology, want to maximize the quality of their online life or are just curious about tech wizardry. Ankit Fadia recently signed a three book deal with Penguin Group (India), out of which FASTER: 100 Ways To Improve Your Digital Life was the first book, and the foreword to it was written