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"GERHARDT, CHARLES. - THE CHEMICAL ""THEORY OF RESIDUES"".
Sur la Constitution des Sels organiques à Acides complexes, et leurs Rapports avec les Sels ammoniacaux.
Paris, Crochard, 1839. Entire October-issue with original printed yellow wrappers (wrappers loose). In:""Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago."", tome 72, Series 2. (Entire volume octobre-issue offered). Pp. 113-(222). Gerhardt's paper: pp. 184-214.Clean and fine.
Reference : 59127
First printing of a classic paper in organic chemistry in which Gerhardt breaks with the conceptions of dualism and pre-existing radicals, and sets forth his ""Theory of Residues"". The October-issue also contains Gerhards paper ""Recherches chimiques sur l'Hellénine"", pp. 163-183. (A subject for his doctoral thesis in 1840). ""A new aspect was given to the substitution-type theory by Gerhardt, who explained the formation of organic compounds as due to ""pairing"" or ""copulation"" of residues.""(Findlay ""A Hundred years of Chemistry"" p. 30 ff).
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Herman H. J. Lynge & Son
William Schneider
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1 book(s) with the same title
Recherches chimiques sur l'Hellénine. (+) Sur la Constitution des Sels organiques à Acides complexes, et leurs Rapports avec les Sels ammoniacaux. (2 Papers).
(Paris, Crochard, 1839) No wrappers. In: ""Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago."", tome 72, Cahier 2. Pp. 113-224 (the entire issue offered). Gerhardt's papers: pp. 163-183 and pp. 184-215.
First printing of two importent papers, the first paper is Gerhardt's first work, having the same subject as his doctoral theisis, 1840. The second paperis a classic study in organic chemistry in which Gerhardt breaks with the conceptions of dualism and pre-existing radicals, and sets forth his ""Theory of Residues"". ""A new aspect was given to the substitution-type theory by Gerhardt, who explained the formation of organic compounds as due to ""pairing"" or ""copulation"" of residues.""(Findlay ""A Hundred years of Chemistry"" p. 30 ff).
