Paris, Levrault, 1824, in-8, de (4), XXI, (3), 256 et (2) pages, plein papier moderne à la bradel, dos lisse portant une pièce de titre (couvertures d'origine conservées), Première édition, peu courante. "A ses Recherches chimiques sur les corps gras, très expérimentales et descriptives, Chevreul va donner l'année suivante un prolongement plus méthodologique avec ses Considérations sur l'analyse organique et sur ses applications (1824)" (En Français dans le texte 237). "Following the completion of his investigation of natural fats, Chevreul wrote a work of a more general nature, Considérations générales sur l'analyse organique (1824), which is a reflection on the many years of research with organic material. Here Chevreul considered the methods of research in organic chemistry, methods that he himself used with such success in his investigations. The primary analytical problems were how to determine whether one had a pure substance or a mixture and how to resolve the frequently complex animal or plant material into its immediate principles. It was Chevreul who placed this immediate analysis on a rigorous basis. He gave precise criteria for what constituted a pure organic compound and presented for the first time a clear and accurate account of the methods of immediate analysis that must necessarily precede elementary analysis."(DSB III p. 243) Malgré le cachet annulé de l'Institut Catholique de Paris et quelques rousseurs sur l'ensemble du volume, bon exemplaire grand de marges et avec ses fragiles couvertures. Couverture rigide
Reference : 62424
Bon de (4), XXI, (3), 256 et (2)
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---- EDITION ORIGINALE ---- EN FRANCAIS DANS LE TEXTE N° 237 : "A ses Recherches chimiques sur les corps gras, très expérimentales et descriptives, CHEVREUL va donner l'année suivante un prolongement plus méthodologique avec ses Considérations sur l'analyse organique et sur ses applications (1824)" ---- "Following the completion of his investigation of natural fats, CHEVREUL wrote a work of a more general nature, Considérations générales sur l'analyse organique (1824), which is a reflection on the many years of research with organic material. Here CHEVREUL considered the methods of research in organic chemistry, methods that he himself used with such success in his investigations. The primary analytical problems were how to determine whether one had a pure substance or a mixture and how to resolve the frequently complex animal or plant material into its immediate principles. It was CHEVREUL who placed this immediate analysis on a rigorous basis. He gave precise criteria for what constituted a pure organic compound and presented for the first time a clear and accurate account of the methods of immediate analysis that must necessarily precede elementary analysis...". (DSB III p. 243) ---- Partington IV, pp. 246/249**55130/8024/o3