v. remove silver from

English contemporary dictionary. 2014.

Look at other dictionaries:

  • 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

  • Parkes, Alexander — SUBJECT AREA: Chemical technology, Synthetic materials [br] b. 29 December 1813 Birmingham, England d. 29 June 1890 West Dulwich, England [br] English chemist and inventor who made the first plastic material. [br] After serving apprentice to… …   Biographical history of technology

  • Alexander Parkes — (December 29 1813 June 29 1890) was a metallurgist and inventor from Birmingham, England. He created Parkesine, the first man made plastic.The son of a brass lock manufacturer, Parkes was apprenticed to a brass founder at Messenger and Sons… …   Wikipedia

  • Pattinson, Hugh Lee — SUBJECT AREA: Metallurgy [br] b. 25 December 1796 Alston, Cumberland, England d. 11 November 1858 Scot s House, Gateshead, England [br] English inventor of a silver extraction process. [br] Born into a Quaker family, he was educated at private… …   Biographical history of technology

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