chemical refining References chemical refining metallurgy Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: metallurgy/ Extractive metallurgyChemical refining involves either the condensation of metal from a vapor or the selective precipitation of metal from an aqueous solution. Read MoreChemical refining involves either the condensation of metal from a vapor or the selective precipitation of metal from an aqueous solution. Read Moremetallurgy/ Chemical refining An example of chemical refining is the nickel carbonyl process, in which impure nickel metal is selectively reacted with carbon monoxide gas to form nickel carbonyl gas. This gas is then decomposed to give high-purity nickel metal. Read More An example of chemical refining is the nickel carbonyl process, in which impure nickel metal is selectively reacted with carbon monoxide gas to form nickel carbonyl gas. This gas is then decomposed to give high-purity nickel metal. Read More