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Organometallic complexes , molecular complexes formed between organic ( carbon - containing ) nitrogen groups and metal ... Most of these contain , in addition to the organic ligands , other ligands , such as carbon monoxide , cyanide ...
Refining involves the removal of impurities from copper metal to yield a product containing less than 110 of 1 percent of impurities . Fire refining . Blister copper contains copper oxide and small quantities of other impurities .
( Many codes contain a small A GA G F V X block of code groups designated as supplement groups , V x A F F A X the meanings of which are defined in special lists that are A F effective for specific dates or geographical areas . ) ...
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review