38 books for « dumas jean baptiste »Edit

‎L'air, l'acide carbonique et l'eau - Mémoires de Dumas, Stas et Boussingault , dans la collection Les Classiques de la Science (1. Recherches sur la véritable constitution de l'air atmosphérique - 2. Recherches sur le véritable poids atomique du carbone - 3. Recherches nouvelles sur le véritable poids atomique du carbone - 4. 4Recherches sur la composition de l'eau)‎

‎Armand Colin , Les Classiques de la Science Malicorne sur Sarthe, 72, Pays de la Loire, France 1930 Book condition, Etat : Bon broché, sous couverture imprimée éditeur verte, titre en bleu, plastifiée In-8 1 vol. - 104 pages‎

‎4 planches hors-texte dépliantes (reproduction des planches originales, complet) 1ere édition, 1930 Contents, Chapitres : Avertissement, Notices biographiques sur Dumas, Stas et Boussingault - 1. Dumas et Boussingault : Recherches sur la véritable constitution de l'air atmosphérique - 2. Dumas et Stas : Recherches sur le véritable poids atomique du carbone - 3. Stas : Recherches nouvelles sur le véritable poids atomique du carbone - 4. Dumas : Recherches sur la composition de l'eau - 1. Jean Baptiste André Dumas, né à Alès (Gard) le 14 juillet 1800 et mort à Cannes le 11 avril 1884, est un chimiste, pharmacien et homme politique français. Il formula les principes fondamentaux de la chimie générale, mesura de nombreuses densités de vapeur, détermina de façon précise la composition de l'air, de l'eau et du dioxyde de carbone (anciennement gaz carbonique). Dumas travailla notamment sur la chimie organique. Il découvrit les amines et l'anthracène. Il établit la théorie des substitutions, en démontrant la possibilité de substituer l'hydrogène par du chlore dans les composés organiques. Il définit la fonction alcool et donna la composition des éthers. Il s'intéressa notamment au poids atomique du carbone. 2. Jean-Baptiste Joseph Dieudonné Boussingault, né à Paris le 1er février 1801 et mort à Paris le 11 mai 1887, est un chimiste, botaniste et agronome français, connu pour ses travaux de chimie agricole et pour la mise au point des premiers aciers au chrome. Il va être le fondateur de la chimie agricole moderne. Il est devenu célèbre par ses découvertes sur la dynamique de l'azote, le métabolisme des graisses, le rendement de la photosynthèse mais aussi la métallurgie des aciers et métaux précieux. Il fait des recherches sur la composition exacte de l'air atmosphérique, en collaboration avec Dumas, sur la composition en végétaux de l'alimentation des herbivores, sur la détection de l'arsenic. Il découvre plusieurs corps chimiques - 3. Jean Servais Stas, né à Louvain le 21 août 1813 et mort à Bruxelles le 13 décembre 1891, est un médecin et chimiste analytique belge. Il est principalement connu pour ses travaux sur la masse atomique des éléments chimiques qui ont participé à la création du tableau périodique des éléments. Jean Servais Stas entreprend des études de médecine à l'Université d'État de Louvain en 1832 et obtient son diplôme de docteur en 1835. C'est durant sa formation qu'il commence à faire de la chimie comme préparateur dans le laboratoire de Jean-Baptiste Van Mons. Il approfondit ses connaissances en chimie en France à l'École polytechnique de Paris sous la direction de Jean-Baptiste Dumas, avec qui il établit la masse atomique du carbone. (source : Wikipedia) couverture plastifiée sinon en bon état, bords des plats un peu jaunis, intérieur sinon frais et propre, papier légèrement jauni, cela reste un bon exemplaire, bien complet des 4 planches hors-texte dépliantes‎

‎Premier Mémoire sur les Types Chimiques Par M. J. Dumas. (+) Second Mémoire sur les Types Chimiques" par MM. J. Dumas et J.-S. Stas.‎

‎(Paris, Fortin, Masson et Cie, 1840). 8vo. Without wrappers. Extracted from 'Annales de Chimie et de Physique', 2e Series, tome 73. Pp. 73-103 (incl. Note de Liebig pp. 100-103) and pp. 113-166. Some scattered brownspots.‎

‎This paper, which was published at the same year in ""Comptes Rendues"" (3 Fevrier), is the most importent on the theory of structural types and the nomenclature of organic compounds, refuting the electrochemical theory of Berzelius. ""The development of this idea (type organique) into what is sometimes called the ""Older Type Theory"", as distinguished from Gerhardt's Type heory, is contained in Dumas' importent memoir on the substitution and the theory of types, presented on 3 febriary 1840.""(Partington IV, p. 365). In the second paper Stas and Dumas record the first use of 'potash-lime', the precursor of soda-lime, an invaluable reagent in organic chemistry.""Jean Baptiste Dumas advances a theory that the chemical properties of an organic compound are determined by its structure and not, as seems to be the case with inorganic compounds, by its electrical properties. he illustrates the concept with the example that the basic qualitative properties of acetic acid are retained even after replacing three fourths of the hydrogen by chlorine. As a consequence, he calls for a revision of chemical nomenclature for organic compounds, basing terms on common features, not on elemental composition.""(Parkinson ""Breakthroughs"" 1840 C).‎

‎Premier Mémoire sur les Types Chimiques Par M. J. Dumas. (+) Second Mémoire sur les Types Chimiques" par MM. J. Dumas et J.-S. Stas. - [THE MAIN PAPER ON SUBSTITUTION AND THE THEORY OF TYPES.]‎

‎Paris, Fortin, Masson et Cie, 1840. 8vo. In contemporary half calf with gilt lettering spine and five raised bands. The original wrappers withbound in the back. In ""Annales de Chimie et de Physique"", tome 73. Entire volume offered. Paper label pasted on to top of spine. Two stamps to verso of title-page. A few light occassional brownspots, otherwise a fine copy. 73-103 (incl. Note de Liebig pp. 100-103) and pp. 113-166. [Entire volume: 448 pp. + 5 folded plates. ‎

‎This paper, which was published at the same year in ""Comptes Rendues"" (3 Fevrier), is the most importent on the theory of structural types and the nomenclature of organic compounds, refuting the electrochemical theory of Berzelius. ""The development of this idea (type organique) into what is sometimes called the ""Older Type Theory"", as distinguished from Gerhardt's Type heory, is contained in Dumas' importent memoir on the substitution and the theory of types, presented on 3 febriary 1840.""(Partington IV, p. 365). In the second paper Stas and Dumas record the first use of 'potash-lime', the precursor of soda-lime, an invaluable reagent in organic chemistry. ""Jean Baptiste Dumas advances a theory that the chemical properties of an organic compound are determined by its structure and not, as seems to be the case with inorganic compounds, by its electrical properties. he illustrates the concept with the example that the basic qualitative properties of acetic acid are retained even after replacing three fourths of the hydrogen by chlorine. As a consequence, he calls for a revision of chemical nomenclature for organic compounds, basing terms on common features, not on elemental composition.""(Parkinson ""Breakthroughs"" 1840 C).‎

‎Mémoire sur la loi des substitutions et la Theorie des types" Séance du Lundi 5 Février 1840.‎

‎Paris, Bachelier, 1840 4to. No wrappers. In: ""Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences"", Tome X , No 5 (entire issue offered). Pp. (143-) 207. Dumas' paper: pp. 149-178.‎

‎First appearance of this paper, which was published the same year in 'Annales de Chimie et de Physique', is the most importent on the theory of structural types and the nomenclature of organic compounds, refuting the electrochemical theory of Berzelius. ""The development of this idea (type organique) into what is sometimes called the ""Older Type Theory"", as distinguished from Gerhardt's Type heory, is contained in Dumas' importent memoir on the substitution and the theory of types, presented on 3 febriary 1840.""(Partington IV, p. 365). ""Jean Baptiste Dumas advances a theory that the chemical properties of an organic compound are determined by its structure and not, as seems to be the case with inorganic compounds, by its electrical properties. he illustrates the concept with the example that the basic qualitative properties of acetic acid are retained even after replacing three fourths of the hydrogen by chlorine. As a consequence, he calls for a revision of chemical nomenclature for organic compounds, basing terms on common features, not on elemental composition.""(Parkinson ""Breakthroughs"" 1840 C).‎

‎Mémoire sur la loi des substitutions et la Theorie des types" Séance du Lundi 5 Février 1840.‎

‎Paris, Bachelier, 1840. 4to. No wrappers. In: ""Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences"", Tome X , No 5 (entire issue offered). Pp. (143-) 207. Dumas' paper: pp. 149-178. With half-title to Tome X.‎

‎First appearance of this paper, which was published the same year in 'Annales de Chimie et de Physique', is the most importent on the theory of structural types and the nomenclature of organic compounds, refuting the electrochemical theory of Berzelius. ""The development of this idea (type organique) into what is sometimes called the ""Older Type Theory"", as distinguished from Gerhardt's Type heory, is contained in Dumas' importent memoir on the substitution and the theory of types, presented on 3 February 1840.""(Partington IV, p. 365). ""Jean Baptiste Dumas advances a theory that the chemical properties of an organic compound are determined by its structure and not, as seems to be the case with inorganic compounds, by its electrical properties. he illustrates the concept with the example that the basic qualitative properties of acetic acid are retained even after replacing three fourths of the hydrogen by chlorine. As a consequence, he calls for a revision of chemical nomenclature for organic compounds, basing terms on common features, not on elemental composition.""(Parkinson ""Breakthroughs"" 1840 C).‎

‎Essai de statique chimique des êtres organisés.‎

‎ Paris / Leipzig, chez Fortin, Masson et Cie, 1844 (février). Un vol. au format in-8 (209 x 137 mm) de 6 ff. n.fol. et 143 pp. Reliure de l'époque de demi-cartonnage émeraude à l'imitation de chagrin, dos lisse orné de filets gras dorés, titre doré, tranches mouchetées.‎

‎ Edition en partie originale. ''Cet essai se propose de réunir, sous une forme simple, les principaux traits de la vie des animaux et des plantes considérés du point de vue chimique. Il offre quelques aperçus nouveaux, qui fourniront à la physiologie générale, à la médecine et à l'agriculture des bases propres à les diriger dans l'étude des phénomènes chimiques qu'on observe chez les êtres organisés.'' ''Dumas vint à Paris en 1821 où il ne tarda pas à prendre un rang éminent parmi les chimistes. Ses travaux sur la chimie organique, sa théorie des substitutions, ses Mémoires sur les poids atomiques ont été remarqués dans l'Europe entière. Il n'est pas seulement un très habile chimiste, c'est un philosophe ingénieux, hardi et presque aventureux''. (in Louandre & Bourquelot). Louandre & Bourquelot III, La Littérature française contemporaine, p. 332. Claires rousseurs dans le texte ; davantage marquées aux premiers et derniers feuillets. Du reste, bonne condition. ‎

‎ANNALES DES SCIENCES NATURELLES - Atlas; tome 1 fevrier 1824‎

‎ 1824 Paris : Béchet jeune, 1824,in4 broché,couv. bleues imp.- 7 planches lithos en noir,traces de mouillure claires en coin de qques planches‎

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‎Recherches sur la Composition élémentaire et sur quelques propriétes caractéristiques des bases salifiables organiques.‎

‎(Paris, Crochard, 1823). Without wrappers. In: ""Annales de Chimie et de Physique, par Gay-Lussac et Arago"", tome 24, Sec. Series, Cahier 2. Pp. 163-191. (Entire issue offered pp. 113-223.‎

‎First appearance of Dumas and Pelletier's importent paper in which they analyzed nine alkaloids by combustion and found for the first time the number of atoms of carbon, hydrogen, oxygen and nitrogen in them. Dumas' name is still associated with the two procedures which he devised here, the determination of vapor density and combustion analysis.""The most important problem with which Dumas was concerned throughout his career was the classification of chemical substances. He sought to devise comprehensive classificatory schemes for organic compounds and for the elements. Dumas’s earliest contribution to organic chemistry was his study of nine alkaloids, published in 1823, jointly with Pierre Pelletier.1 He analyzed the elemental constituents of these organic “bases” and attempted to prove that their relative proportions of oxygen followed Dalton’s law of multiple proportions. He had embraced the ideas of the two reigning theories in contemporary chemistry: dualism, with its division of substances into electronegative (acid) and electropositive (alkaline)"" and atomism, which Dalton had used to explain his law. Dumas spent the next few years attempting to create an adequate system of classification of organic compounds based upon these two theories.""(DSB).‎

‎Recherches sur la Composition élémentaire et sur quelques propriétes caractéristiques des bases salifiables organiques. - [TOWARDS A CLASSIFICATION OF ORGANIC COMPOUNDS.]‎

‎Paris, Crochard, 1823. 8vo. In contemporary half calf with gilt lettering spine and five raised bands. The original wrappers withbound in the back. In ""Annales de Chimie et de Physique"", tome 24. Entire volume offered. Paper label pasted on to top of spine. Two stamps to verso of title-page and stamos to verso of all plates. A few light occassional brownspots, otherwise a fine copy. Pp. 163-191. [Entire volume: 448 pp. + 4 folded plates. ‎

‎First appearance of Dumas and Pelletier's importent paper in which they analyzed nine alkaloids by combustion and found for the first time the number of atoms of carbon, hydrogen, oxygen and nitrogen in them. Dumas' name is still associated with the two procedures which he devised here, the determination of vapor density and combustion analysis. ""The most important problem with which Dumas was concerned throughout his career was the classification of chemical substances. He sought to devise comprehensive classificatory schemes for organic compounds and for the elements. Dumas’s earliest contribution to organic chemistry was his study of nine alkaloids, published in 1823, jointly with Pierre Pelletier.1 He analyzed the elemental constituents of these organic “bases” and attempted to prove that their relative proportions of oxygen followed Dalton’s law of multiple proportions. He had embraced the ideas of the two reigning theories in contemporary chemistry: dualism, with its division of substances into electronegative (acid) and electropositive (alkaline)"" and atomism, which Dalton had used to explain his law. Dumas spent the next few years attempting to create an adequate system of classification of organic compounds based upon these two theories.""(DSB). The Present volume also contain papers by Faraday, Becquerel and many other. ‎

‎Leçons sur la philosophie chimique. Recueillies par M. Binau.‎

‎Paris, Bechet Jeune, 1837. In-8°. 2 f., 430 p. Reliure demi-cuir de l'époque. Titre doré au dos.‎

‎Edition originale. - Jean-Baptiste Dumas, pharmacien à Genève, où il a suivi les cours de l'université. Puis il retournera en France ou il enseignera la chimie à l'Ecole polytechnique, l'Ecole de médecine et à a Sorbonne. - Coins et plats légèrements frottés. Inscription manuscrite sur le verso de la page de garde. Inscription manuscrite tracée sur la page de titre. Rousseurs et quelques taches par endroits.‎

‎Photographie de la collection Félix Potin (4 x 7,5 cm) représentant : Jean-Baptiste Dumas, chimiste.‎

‎- Photographie 4 x 7, 5 cm. Notice biographique collée au dos.‎

‎Photo. Né à Alais. 1800-1884. Félix Potin, Début XXe. Vers 1900.‎

‎Photographie de la collection Félix Potin (4 x 7,5 cm) représentant : Jean-Baptiste Dumas, chimiste.‎

‎- Photographie 4 x 7, 5 cm. Notice biographique collée au dos.‎

‎Photo. Né à Alès. 1800-1884. Félix Potin, Début XXe. Vers 1900.‎

‎Leçon sur la Statique Chimique des Etres Organisés.‎

‎Paris, Fortin, Masson, 1841. 2 feuillets. 48 pages. (22,5x14,5 Cm). Broché. Couverture imprimée. Dos renforcé. Manque angulaire. Petits taches et accrocs. Rare édition de l'un des principaux textes de Jean Baptiste Dumas dont les recherches ont renouvelé la chimie organique. Catalogue de libraire à la fin de l'ouvrage. Rousseurs. ‎

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‎Essai de statique chimique des êtres organisés‎

‎Paris, Fortin & Masson, 1842, in-8, 4 pp. d'annonces, (8) 88 pp, 16 pp. de catalogue Fortin, Demi-chagrin noir à la bradel, couvertures conservées [ateliers Laurenchet], Seconde édition. Leçon faite pour la clôture du cours de Jean-Baptiste Dumas à l'Ecole de médecine, parue pour la première fois en 1841. Envoi Autographe Signé sur la première couverture, avec la mention "de la part de l'auteur". Cet envoi était probablement destiné à Edmond Becquerel, qui a porté quelques annotations au crayon dans les marges. Bel exemplaire. Poggendorff I-621; Bolton 415; Cole 392. Couverture rigide‎

‎Bon 4 pp. d'annonces, (8) 88 pp.,‎

‎Traité de Chimie appliqué aux Arts - Atlas‎

‎F. Oudart 1847 In-4, reliure demi-basane verte, dos lisse orné de motifs romantiques dorés, plats jaspés gris noirs, 74 p., 122 planches hors-texte. En l’état. Ouvrage assez rare.‎

‎Jean-Baptiste Dumas (1800-1884) est un des rares scientifiques français du XIXe siècle célébré de son vivant tant en France qu’à l’Étranger: il fut à la fois pharmacien, chimiste et médecin, mais aussi engagé en politique. Il contribua au premier développeme”nt de la chimie organique, en particulier de l'analyse organique. Il a écrit un Traité de chimie appliquée aux arts”, en huit volumes (1828-1845 Bon état d’occasion ‎

‎TRATTATO DI CHIMICA APPLICATA ALLE ARTI.‎

‎ vedova di A.F. Stella e Giacomo figlio, Milano, 1829-1846 In-8 (mm. 227x145), 8 volumi, cartonato muto coevo, ca. 4000 pp. complessive, illustrati f.t. da 147 tavole inc. in rame e pi volte ripieg., ciascuna con pi figure. In appendice al vol. VIII: Statica chimica degli esseri organizzati (16 capitoli). "Prima traduzione italiana" della prima edizione di Parigi-Bruxelles (1828-1846).Jean-Baptiste-Andr Dumas (1800-1884) fu una delle personalit pi eminenti della chimica francese del 19 sec. per i suoi fondamentali studi in chimica inorganica e organica. Professore alla Sorbona e all'cole Polytechnique, fu deputato all'Assemblea legislativa, ministro e senatore; membro dell'Acadmie des Sciences (di cui fu segretario perpetuo), entr nel 1876 all'Acadmie Franaise.. Determin i pesi di combinazione di molti elementi; particolarmente importante per la successiva determinazione dei pesi atomici fu il valore esatto del peso di combinazione del carbonio nell'anidride carbonica. Contribu inoltre ai primi tentativi di classificazione degli elementi. Cur la prima edizione delle opere di A.-L. Lavoisier (cos Enciclopedia on line - Treccani).Cfr. anche Duveen Bibliotheca alchemica et chimica, pp. 184-85: His researches in Organic Chemistry were especially important and he published masterly papers on the ethers, alkaloids and indigo. He was also responsible for the classical method of determining vapour densities and the nitrogens content of organic compounds. Vol. VI con prime 3 cc. restaur. per strappi; alcune cc. con uniformi arross. e qualche fiorit., ma complessivam. esemplare ben conservato, con barbe. ‎

‎Portrait - Photographie de la 2éme collection Félix Potin représentant Jean Baptiste DUMAS - né à Alais en 1800 - chimiste -‎

‎ Photographie 7,5x4 cm - collée sur carton - vers 1900 - ‎

‎Note sur l'état actuel de la Chemie organique.‎

‎(Paris, Bachelier), 1837. 4to. No wrappers. In: ""Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences"", Tome V , No 17. (Entire issue offered). Pp. (567-) 572. Dumas & Liebig's paper: pp. (567-) 572.‎

‎First appearance of a historical paper in chemistry. stating a new way to organize organic chemistry.When Liebig visited Paris in 1837, he persuaded Dumas to accept the ethyl theory, and in a joint memoir (written by Liebig) presented on 23 October 1837 to the Paris Academy (the paper offered) they asserted that ""in inorganic chemistry the radicals are simple"" in organic chemistry they are compounds - that is the sole difference. The laws of combination, the laws of reaction, are the same in the two branches of chemistry"" (Partington, vol. IV, p. 351).""In the paper ""Note on the present state of organic chemistry"" .... (Dumas and Liebig)) claim to have found the key to systematically organizing organic chemistry, basing research not on the elements, as in inorganic chemistry, but on the radicals. The radicals in organic chemistry act analogous to the elements in mineral chemistry, with the same general principles of combination and reaction.""(Partington ""Breakthroughs"" 1837 C).‎

‎Recherches de Chimie organique. Lu à l'Academie des Sciences le 13 janvier 1834.‎

‎Paris, Crochard, 1834. No wrappers, as extracted from: ""Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago."", tome 56, pp.1-150. With titlepage to vol. 56. Titlepage with some browning to corners and some brownspots. Text with scattered brownnspots.‎

‎First printing of this milestone paper in organic chemistry which marks a very importent step toward a complete structural theory of organic chemistry, THE SUBSTITUTION THEORY.""In 1834 Dumas presented a long paper, ""Recherches de Chimie organique"", to the Academy of Sciences in Paris. In this he described chloroform and chloral and explained the mechanism by which chlorine acted upon ethyl alcohol. The paper was published soon afterwards (as offered here) and several years later was reprinted with the addition in the theoretical part of Dumas's theory of metalepsy.""(Leicester & Klickstein ""A Source Book in Chemistry"", p. 320 ff.). - Parkinson ""Breakthrough"" 1834 C. - Partington IV, pp. 360 ff.‎

‎Recherches sur la véritable poids atomiques du carbone. (Lu à l'Academie des Sciences, le 21 décembre 1840).‎

‎Paris, Fortin, Masson et Cie, 1841. 8vo. Contemp. hcalf, raised bands, gilt spine. Light wear along edges. Small stamps on verso of titlepage. In: ""Annales de Chimie et de Physique"", 3e Series - Tome 1. 512 pp. a. 3 folded engraved plates (showing experimental apparatus).Small stamp to verso of plates. (The entire volume offered). Dumas & Stas' paper: pp. 1-59. Clean and fine.‎

‎First appearance in full of this paper, stating the correct weight of the carbon atom, which had profound influence on the development of organic chemistry. The first announcement (in extrait) came out in Comptes rendus, Tome Xi, 1840.""From 1840 onward he carried out an important revision of the atomic weights of thirty elements. His most valuable contribution in this field was his very precise determination of the atomic weight of carbon (jointly with his pupil Stas) in 1840.2 A previously accepted weight, determined by Berzelius as C = 12.20 (O = 16), was shown to be incorrect. Dumas proved that C = 12±.002 (O = 16) or C = 75 (O = 100). The analysis was made by burning diamond and artificial and natural graphite in oxygen"" the carbon dioxide formed was weighed in potash solution. The results were in close agreement. The ""new"" weight of carbon had a great effect on the progress of organic chemistry.""(DSB).The volume contains further notable papers by Gerhardt et Cahours ""Recherches chimiques sur les huiles essentitielles"", pp. 60-110, by Laurent, Boussingault, Regnault, Dulong, Melloni et al.‎

‎Leçons sur la philosophie chimique professées au Collège de France en 1836, recueillies par M. Bineau. Seconde édition.‎

‎Paris : Gauthier-Villars, 1878 In-8, (6)-470 pp. Demi-chagrin légèrement postérieur, dos à nerfs, couverture conservée.‎

‎Quelques rousseurs. Une notice manuscrite sur Bineau est reliée avant la page de titre. "This book contains the author's lectures on the history of chemistry given at the Collège de France in 1836." (Duveen p. 185 pour l'édition de 1837). Bineau d'Aligny (1812-1861), fit partie de la première promotion de l'Ecole centrale. Elève et préparateur de Dumas au Collège de France, puis professeur à la Faculté de Lyon, il a découvert les divers hydrates de l'acide chlorhydrique et de l'acide sulfurique. Caillet 3359.‎

‎Sur la Composition et les propriétés physiologiques des produits du goudron de houille ; extrait des Comptes-rendus des séances de l'Académie des sciences, t. LXXIC, séance du 17 octobre 1874 ‎

‎Paris Gauthier-Villars s.d. [1875] in-4 broché, petite mouillure angulaire ‎

‎4 pp.Le chimiste Jean-Baptiste Dumas (1800-1884) travailla essentiellement dans le domaine de la chimie organique ‎

‎Bains et lavoirs publics. Commission instituée par ordre de M. le Président de la République‎

‎Ministère de l’Agriculture et du Commerce, Gide et J. Baudry, éditeurs 1850 In-4. Reliure de l’époque demi-basane havane, dos lisse orné de filets dorés, VIII-184 pp., 15 planches, la plupart repliées. Reliure sensiblement frottée avec manque et accroc en tête et pied de dos, rousseurs. En l’état. Document peu courant.‎

‎Projet de loi tendant à obtenir un crédit de 600,000 francs sur l'exercice 1850 pour favoriser la création d'établissements modèles de bains et lavoirs au profit des populations labourieuses présenté par M. Dumas, Ministre de l'Agriculture et du Commerce. Etat correct d’occasion ‎

‎Mémoire sur les Ethers composés.‎

‎(Paris, Crochard, 1828). No wrappers. In: ""Annales de Chimie et de Physique, Par MM. Gay-Lussac et Arago."", tome 37 (prem. cahier), pp. 5-112. (Entire issue offered). Dumas & Boullay's paper: pp. 15-53. Clean and fine.‎

‎First appearance of a classic paper on the theory of organic chemistry, being one of the main works to introduce the importence of ""radicals"" in chemical reactions.""Perhaps Duma's chief contribution to the theory of organic chemistry. In 1828, in collaboration with Polydore Boullay, he published a research on the esters of ethyl alcohol (the paper offered) wherein he showed that these compounds could be looked upon as salts of ethylene and acids, as reported in the first extract.On the basis of tis work, Berzelius in 1832 called ethylene a radical which he named aetherin and which took an importent place among the growing number of organic radicals.""(Leicester & Klickstein p. 320 ff). - Parkinson ""Breakthroughs"", 1828 C.In the same issue is also Wöhler's paper ""Sur l'Aluminium"", pp.66-80 the French version).‎

‎Recherches sur la véritable poids atomiques du carbone.(Extrait).‎

‎(Paris, Bachelier), 1840. 4to. No wrappers. In: ""Comptes Rendus Hebdomadaires des Séances de L'Academie des Sciences"", Tome XI , No 25. Pp. (991-) 1020. (Entire issue offered). The paper: pp. (991-) 1008. A bit of marginal soiling and some creasing to leaves.‎

‎First appearance of the paper which states the correct weight of the carbon atom. This research had profound influence on the development of organic chemistry. The paper in full was published the year after (1841) in ""Annales de Chimie et de Physique"".""From 1840 onward he carried out an important revision of the atomic weights of thirty elements. His most valuable contribution in this field was his very precise determination of the atomic weight of carbon (jointly with his pupil Stas) in 1840. A previously accepted weight, determined by Berzelius as C = 12.20 (O = 16), was shown to be incorrect. Dumas proved that C = 12±.002 (O = 16) or C = 75 (O = 100). The analysis was made by burning diamond and artificial and natural graphite in oxygen"" the carbon dioxide formed was weighed in potash solution. The results were in close agreement. The ""new"" weight of carbon had a great effect on the progress of organic chemistry.""(DSB).‎