co-precipitationn.
Chemistry.
The simultaneous precipitation of two or more compounds from a solution; the removal of a substance from solution by binding to a precipitate.
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co-precipitation1931
1931 Jrnl. Amer. Chem. Soc. 53 1236 The so-called coprecipitation of alkali oxalate with lanthanum oxalate is to be attributed to a double salt formation.
1932 Jrnl. Physical Chem. 36 860 It has been a general custom in analytical chemistry to use the words, coprecipitation, carrying down, occlusion, inclusion and adsorption as collective names, meaning nothing else but..that impurities are carried down with or in a precipitate.
1938 R. W. Lawson tr. G. von Hevesy & F. A. Paneth Man. Radioactivity (ed. 2) xv. 147 The conclusions which were drawn about the chemical nature of a radio-element from this ‘co-precipitation’ process.
1956 Nature 28 Jan. 184/1 This method of collecting cations in trace concentrations has the advantages of being more efficient and more selective than the conventional co-precipitation technique.
This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2019).
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