silver-refining

См. также в других словарях:

• silver processing — Introduction       preparation of the ore for use in various products.       Silver has long been valued for its white metallic lustre, its ability to be readily worked, and its resistance to the corrosive effects of moisture and oxygen. The… …   Universalium

• Refining (metallurgy) — Refining (as in non metallurgical uses) consists of purifying an impure material, in this case a metal. It is to be distinguished from other processes such as smelting and calcining in that those two involve a chemical change to the raw material …   Wikipedia

• Silver mining — refers to the resource extraction of the precious metal element silver by mining.History of silver miningSilver has been known since ancient times. It is mentioned in the Book of Genesis, and slag heaps found in Asia Minor and on the islands of… …   Wikipedia

• Silver — This article is about the chemical element. For the color, see Silver (color). For other uses, see Silver (disambiguation). palladium ← silver → cadmium …   Wikipedia

• silver — silverer, n. silverish, adj. silverless, adj. silverlike, adj. silverness, n. /sil veuhr/, n. 1. Chem. a white, ductile metallic element, used for making mirrors, coins, ornaments, table utensils, photographic chemicals, conductors, etc. Symbol:… …   Universalium

• Silver — /sil veuhr/, n. Abba Hillel /ab euh/, 1893 1963, U.S. rabbi, born in Lithuania. * * * I Metallic chemical element, one of the transition elements, chemical symbol Ag, atomic number 47. It is a white, lustrous precious metal, valued for its beauty …   Universalium

• Silver Age of Comic Books — The Silver Age of Comic Books was a period of artistic advancement and commercial success in mainstream American comic books, predominantly those featuring the superhero archetype, that lasted roughly from 1956 to the late 1960s/early 1970s.… …   Wikipedia

• Refining — Refine Re*fine (r?*f?n ), v. t. [imp. & p. p. {Refined} ( find ); p. pr. & vb. n. {Refining}.] [Pref. re + fine to make fine: cf. F. raffiner.] 1. To reduce to a fine, unmixed, or pure state; to free from impurities; to free from dross or alloy;… …   The Collaborative International Dictionary of English

• Balbach Smelting & Refining Company — (also known as Balbach and Sons Refining and Smelting Company) was a smelting plant in Newark, New Jersey operating in the late 19th and early 20th centuries. It was the first commercial electrolytic refinery in the United States.… …   Wikipedia

• Eldorado Mining and Refining Limited — The Eldorado Mining and Refining Limited company was originally organized in 1927 as Eldorado Gold Mines Limited to develop a gold mine in Manitoba. Its president Gilbert LaBine later found radioactive deposits at Great Bear Lake, Northwest… …   Wikipedia

• Precious metals refining — Precious metal refining is a superordinate term for the separation from noble metalliferous materials. The precious metals are won for example from used catalysts, electronics, ores or alloys. The refining is a very expensive and complex… …   Wikipedia