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 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