Gold parting in 1860's Australia. It is able to refine gold up to 99.5% purity. The process involves blowing a stream of chlorine gas over and through a crucible filled with molten impure gold. Impurities in the gold form chlorides before the gold does and these insoluble salts are removed from the melt by skimming the surface. Invented by Emil Wohlwill in 1874, this produces the highest purity gold (99.999%). It is an electrolytic process using pure gold for the cathode (or titanium as a starter cathode) and chloroauric acid (gold chloride-hydrochloric acid) as the electrolyte; this is made by dissolving gold
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