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
Commodity pool to the Securities and Exchange Commission, regulate commodity pools. Many hedge funds are commodity pools. Funds that trade in commodities, which include many of the largest funds engaged in macro-strategies, are registered with the Commodity Futures Trading Commission as commodity pools and as commodity trading advisors (CTAs). In an address to the Securities Industry Association in 2004, Sharon Brown-Hruska, acting director of the CFTC, said that 65 of the top 100 funds in 2003 were commodity pools, and 50 out of the 100 largest hedge funds were CTAs in addition to being commodity pools. Commodity pool A commodity pool is