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
Four Ways to Forgiveness Stories, Volume Two" as well. "Four Ways to Forgiveness" has been referred to as a story-suite by critics, based on Le Guin's own use of the term to describe her deliberate inclusion of linked short stories in book form. Le Guin has remarked that the collections of stories could have been a novel had she focused on a few characters; instead she decided to focus on a work with many voices. Four Ways to Forgiveness Four Ways to Forgiveness is a collection of four short stories and novellas by American writer Ursula K. Le Guin. All four stories are set