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
Past in Different Ways Past in Different Ways Past in Different Ways is the fourth solo album of vocalist Michael Kiske. It features acoustic renditions of songs written by Kiske during his time in Helloween and one new track. This came as a surprise to fans, considering Kiske's desire to leave the world of Helloween and heavy metal behind him. The album received a rather mixed critical support. Most reviewers were excited about the new acoustic arrangements and especially about Kiske's still powerful voice and wide vocal range. Other reviews criticized the album for the fact that it lacked any major innovative arrangements. According