refine gold bullion

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• METALS AND MINING — In the Bible Six metals are mentioned in the Bible and in many passages they are listed in the same order: gold, silver, copper, iron, tin, and lead. Antimony is also mentioned. The metals are referred to in various contexts, including methods of …   Encyclopedia of Judaism

• Perth Mint — Infobox mint name = Perth Mint caption = Perth Mint location = Perth, Australia built = 1896 architect = John Forrest architecture = disestablished = governing body = website = http://www.perthmint.com.auThe Perth Mint is Australia s oldest… …   Wikipedia

• Logam Mulia — is an Indonesian Precious Metal Refining Company.The company was founded by RT Braakensiek, a gold merchant around 1930 who started his business by refining gold scrap in certain locations of work.In 1937 he settled his business on Jalan Gajah… …   Wikipedia

• lead processing — Introduction       preparation of the ore for use in various products.       Lead (Pb) is one of the oldest metals known, being one of seven metals used in the ancient world (the others are gold, silver, copper, iron, tin, and mercury). Its low… …   Universalium

• Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …   Universalium

• Cupellation — is a metallurgical process in which ores or alloyed metals are treated under high temperatures and carefully controlled operations in order to separate noble metals, like gold and silver, from base metals like lead, copper, zinc, arsenic,… …   Wikipedia

• MINTMASTERS AND MONEYERS — In the Middle Ages rulers tended to lease the right of minting coins to mintmasters or to grant and sell the right to their territorial vassals, who themselves employed such mintmasters. Jews carried out this prestigious and profitable enterprise …   Encyclopedia of Judaism