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Winnacker, K
Chemie im Wandel d. Zeit.
München, Oldenbourg, 1972. M. 14 Abb. 52 S. OBr. (Deutsches Museum. Abhandlungen u. Berichte 40/3).
Référence libraire : 110478
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Winter, Mark J (Professor of Chemistry, Professor of Chemistry, The University of Sheffield)
Chemical Bonding
Paperback / softback. New. New Book; Fast Shipping from UK; Not signed; Not First Edition; Chemical bonding which underlies the structure and reactivity of all molecules is explained beautifully clearly and succinctly in this primer making it the perfect text to introduce students to this fundamental aspect of chemistry. paperback
Référence libraire : ria9780198700951_inp ISBN : 0198700954 9780198700951
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Winter, Mark J (Professor of Chemistry, Professor of Chemistry, The University of Sheffield)
d-Block Chemistry
Paperback / softback. New. New Book; Fast Shipping from UK; Not signed; Not First Edition; The colourful field of transition metal chemistry is succinctly presented in this primer giving a coherent overview of a subject which can seem daunting in its level of detail. paperback
Référence libraire : ria9780198700968_inp ISBN : 0198700962 9780198700968
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Winter, Mark J
Oxford Chemistry Primers: Chemical Bonding Volume 15
Oxford University Press 1994. Volume 15. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In good all round condition. No dust jacket. Please note the Image in this listing is a stock photo and may not match the covers of the actual item450grams ISBN:9780198556954 Oxford University Press hardcover
Référence libraire : 4848750 ISBN : 0198556950 9780198556954
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Winter, R (Editor)/ Jonas, J (Editor)/ Winter, R/ NATO Advanced Study Institute on High Pressure Chemistry, Biochemistry, and Ma
High Pressure Chemistry Biochemsitry and Materials Science NATO Science Series C:
Kluwer Academic Pub 1993. Hardcover. New. 656 pages. 10.00x7.00x1.75 inches. Kluwer Academic Pub hardcover
Référence libraire : x-0792322908 ISBN : 0792322908 9780792322900
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Winter, William Phillips.
AN INVESTIGATION OF SODAMIDE AND OF ITS REACTION-PRODUCTS WITH PHOSPHORUS AND WITH PHOSPHORUS PENTACHLORIDE. Dissertation. Johns Hopkins University.
46p. Some leaves have margin browning but not brittle. Small 4to. Original printed wraps slightly soiled. Small loss of rear corner. Compliments of the author on front cover. PA PAMPH 20_13 BX6
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Winterbon, K. B.; Sigmund, Peter; Sanders, J. B.
Spatial Distribution of Energy Deposited By Atomic Particles in Elastic Collisions
Paperback in good condition. Ex - library. Covers are tanned and marked. Leading corners, edges and spine ends are slightly worn and creased, affecting early pages. Library stamp on front cover. Binding is intact, contents are clear. AM Ex - Library
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Winzor, D J & Sawyer, W H
Quantitative Characterization of Ligand Binding
John Wiley & Sons 1995. This is an ex-library book and may have the usual library/used-book markings inside.This book has soft covers. Clean from markings. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item350grams ISBN:9780471059585 John Wiley & Sons paperback
Référence libraire : 9939280 ISBN : 0471059587 9780471059585
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Wippermann, F. [Friedrich]
The Planetary Boundary-Layer of the Atmosphere (PBL) [SIGNED WITH DEDICATION BY AUTHOR].
SIGNED BY AUTHOR WITH DEDICATION dated 23 July 1974. 295x210mm. X+346 pages. Softcover. Cover slightly stained, rubbed and wrinkled. Cover corners wrinkled. Spine edges and hinges heavily rubbed. Text block fore edge stained. Some pages slightly dog-eared. Pages slightly yellowing. Else in good condition. PLEASE NOTE: This item is overweight. We may ask for extra shipping costs.
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WISMER MAURICE
RECHERCHES SUR DE NOUVEAUX COMPLEXES Pi TETRACARBONYLFER DE CYCLOOLEFINES SUBSTITUEES (THESE)
Imprimeries Réunies, Lausanne. 1983. In-12. Broché. Bon état, Couv. convenable, Dos satisfaisant, Intérieur frais. 129 pages. Illustré de nombreux schémas en noir et blanc dans le texte. Etiquette de code sur le dos. Tampons et annotation de bibliothèque sur le 1er plat et en page de titre.. . . . Classification Dewey : 540-Chimie et sciences connexes
Référence libraire : RO40177584
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WISLICENUS, Johannes:
Regnault-Strecker’s kurzes Lehrbuch der Chemie. 2 Theilen in 2 Bde..
Braunschweig, Friedrich Vieweg und Sohn, 1877, 1874, pt. in-8vo, XXIV + 954 + in den text eingedruckten Holzstichen und einer farbigen Spectraltafel / VII + 1177 + XXXX S. + Berichtigungen + in den text eingedruckten Holzstichen, 1. Bd. mit Stempeln ‘Chemisches Universitats Laboratorium Zürich’ und ‘Prof. Dr. Viktor Merz’, Hldr (Bd. 1), rezent. HLn (Bd. 2).
Référence libraire : 87796aaf
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Wischnegradsky, A
Über verschiedene Amylene u. Amylalkohole.
St.-Pétersbourg, 1877. 4°. 27 S. OHeft. Unaufgeschn. Ex. S. teilw. leicht braunfl. St. a. hint. Umschl. (Memoires de l'Academie Impériale des Sciences de St.-Pétersbourg. VIIe Ser.; Tome 24 No. 6)
Référence libraire : 184437
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WISCONSIN UNIV MADISON THEORETICAL CHEMISTRY INST
An Approximate Theory of Inelastic Collisions.
PN. New. 1953. Soft Cover. Date is original print. This is a reprint edition. . PN paperback
Référence libraire : 712133
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Wise, William Sydney
Solvent Treatment of Coal (M & B Monograph CE/2)
11 figures, 6 tables, small scrapes along the edge of front cover, text clean and tight Clean Copy
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Wiseman, Alan (ed.)
Topic in Enzyme and Fermentation Biotechnology. Volume 4
Hardcover with jacket in good condition. Ex-library. Laminaed jacket is lightly marked and sunned. Shelf label on jacket spine foot. Jacket is taped to pastedowns. Stamps on marked page block and copyright page. Label on FEP. Pages are clean and text is clear throughout. HCW Used
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Wiseman, Alan (ed.)
Topics in Enzyme and Fermentation Biotechnology. Volume 2
Hardcover with jacket in good condition. Ex-library. Dust jacket is plastic protected with light wear to edges. Shelf label on jacket spine foot. Jacket is taped to pastedowns. Page block is marked and stamped. Label on FEP. Stamp and pen on copyright page. One or two pages are marked. Text remains clear throughout. HCW Used
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Wiseman, P
An Introduction to Industrial Organic Chemistry 2nd Edn
Applied Science 1979. This is an ex-library book and may have the usual library/used-book markings inside.This book has soft covers. Clean from markings. In poor condition suitable as a reading copy. Please note the Image in this listing is a stock photo and may not match the covers of the actual item600grams ISBN:0853348502 Applied Science paperback
Référence libraire : 7070452 ISBN : 0853348502 9780853348504
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Wiseman, P
Petrochemicals
John Wiley & Sons 1986. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. Book contains pencil markings. In poor condition suitable as a reading copy. Please note the Image in this listing is a stock photo and may not match the covers of the actual item550grams ISBN:0853127417 John Wiley & Sons hardcover
Référence libraire : 9441131 ISBN : 0853127417 9780853127413
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Wiseman, P.
Introduction to Industrial Organic Chemistry
Ex-library hardcover. No jacket. Boards are age-worn with some stains near front and rear leading edges. Spine ends are bumped. Leading corners are bumped and worn. Lower board edges are bumped and worn. Page block is marked/stained and tanned with pen mark on the face. Book is slightly cocked. Yellowed tape patch/strip on front and rear pastedowns. Blue pen stains on leading edge of FEP and next few page edges. Accession stamp on title page. Contents are sound, clean, clear. BW Ex-Library
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WISMER MAURICE
RECHERCHES SUR DE NOUVEAUX COMPLEXES Pi TETRACARBONYLFER DE CYCLOOLEFINES SUBSTITUEES (THESE)
Imprimeries Réunies, Lausanne. 1983. In-12 Carré. Broché. Bon état. Couv. convenable. Dos satisfaisant. Intérieur frais. 129 pages. Illustré de nombreux schémas en noir et blanc dans le texte. Etiquette de code sur le dos. Tampons et annotation de bibliothèque sur le 1er plat et en page de titre. Institut de Chimie organique de l'Université de Fribourg. Thèse (n° 856) prés. à la Faculté des Sciences de l'Univ. de Fribourg.
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Wisniak, J.; Tamir, A.
Mixing and Excess Thermodynamic Properties : A Literature Source Book
Very good condition, pages clean, bright and tight. Library sheet to FEP. Ex Library (Minimal Stamping)
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With, G
Liquid-State Physical Chemistry: Fundamentals Modeling and Applications
Wiley-Vch 2013. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. Clean from markings. In good all round condition. Please note the Image in this listing is a stock photo and may not match the covers of the actual item1250grams ISBN:9783527333226 Wiley-Vch hardcover
Référence libraire : 8983254 ISBN : 3527333223 9783527333226
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Witt, H.-J
Vergleich d. Aktivitäten von Enzymen d. Saccharose- u. Stärkestoffwechsels in unterschiedlich differenzierten u. entdifferenzierten Geweben von Riella helicophylla (Bory et Mont.) Mont. Diss.
Kassel, 1988. M. 49 Tab. u. 55 Abb. 3 Bl., 168 S., 3 Bl. St. a. Tit.
Référence libraire : 240709
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Witt, O., u. G. Pulvermacher
V. Internationaler Kongress für angewandte Chemie. Berlin 2.-8 Juni 1903. Bericht. Bd. 1.
Berlin, Dt. Vlg. 1904. M. einigen Abb. XII, 795 S. OLwd. M. Goldpräg. M. kl. Rsign. Etwas berieben. St. u. Sign. a. Vors. u. Tit.
Référence libraire : 185548
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Wittek, J
Untersuchungen zum anaeroben Abbau v. Zucker-Fabrikabwässern, insbes. zur analytischen Erfassung auftretender Inhaltsstoffe. Diss.
Braunschweig, (1978). M. zahlr. Tab. u. Abb. 3 Bl., 126 S., 2 Bl. St. a. Tit.
Référence libraire : 705113
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WITTER F.A
Chemische-Fabrik für Tinten & Wachspräparate.
Stuttgart. (Firmenrechnungsblatt). 1912. * 2 Firmenansichten, Schutzmarke u. 8 Medaillenabbildungen (Teils mit Gebrauchsspuren).
Référence libraire : 50418
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Wittig, Georg
Stereochemie.
Leipzig, Akademische Verlagsges., 1930. Mit 127 Fig. im Text. 8°., X, 388 S., priv. Halb-Stoffeinbd. mit mont. Deckeltitel [2 Warenabbildungen]
Référence libraire : 10018
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Witting, E
Grundzüge d. Chemie mit besond. Berücks. d. Pharmacie u. Medicin, so wie d. allgemein naturhistor. Verhältnisse überhaupt. Bd. 1 (v. 2).
Paderborn, Wesener, 1833. M. 10 lith. Taf. VIII, 419 S. OPp. Einbd. stärker angeschmutzt, fleckig u. wasserfl. Durchg. etwas wasserrandig. Gebräunt, teils stockfl. St. a. Tit. Kopfsteg unaufgeschn.
Référence libraire : 150229
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Witting, F
Darstellung zweier isomerer Xylolsulfosäuren. - Zur Kenntniss d. Parasulfamidobenzoesäure u. ihrer Salze. Diss.
Jena Jena, 1888. 31 S. Br. Etwas angeschmutzt.
Référence libraire : 180467
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Wittkowski, M
Beitrag zur Analytik von Patulin u. Alternaria-Toxinen in Obst- u. Gemüseprodukten. 2. Aufl.
Berlin, (1984). 4°. VII, 161 S. OBr. Umschl. gering beschabt. (MvP-Hefte 1).
Référence libraire : 139423
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Wittmann, Folker H. (Editor)
Indexes, Abbreviations, Supplement (Transactions of the 9th International Conference on Stuctural Mechanics Technology Volume A)
SOFTCOVER. Sticker to spine and inside cover, stamp to page block. Text is clean, tight and bright Ex - Library
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Wittmann, Folker H. (Editor) Baker, Charles C. & Komarek, Peter (Coordinators)
Mechanical and Thermal Problems of Fusion Reactors (Transactions of the 9th International Conference on Stuctural Mechanics Technology Volume N)
SOFTCOVER. Sticker to spine and inside cover, stamp to page block. Text is clean, tight and bright Ex - Library
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Wittmann, Folker H. (Editor) Boehler, Jean - Paul & Krempl, Erhard (Coordinators)
Inelastic Behavior of Metals and Constitutive Equations (Transactions of the 9th International Conference on Stuctural Mechanics Technology Volume L)
SOFTCOVER. Sticker to spine and inside cover, stamp to page block. Text is clean, tight and bright Ex - Library
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Wittmann, Folker H. (Editor) Chang, Yao Wen & Livolant, Michel (Coordinators)
Fast Reactor Core and Coolant Circuit Structures (Transactions of the 9th International Conference on Stuctural Mechanics Technology Volume E)
SOFTCOVER. Sticker to spine and inside cover, stamp to page block. Text is clean, tight and bright Ex - Library
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Wittmann, Folker H. (editor) Eisenhut, Darrell G. & Noel, Robert (Coordinators)
Experience with Structures and Components in Operating Reactors (Transactions of the 9th International Conference on Stuctural Mechanics Technology Volume D)
SOFTCOVER. Sticker to spine and inside cover, stamp to page block. Text is clean, tight and bright Ex - Library
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Wittmann, Folker H. (Editor) Holtbecker, Helmut & Rashid, Yusef R. (Coordinators)
Fuel Elements and Assemblies (Transactions of the 9th International Conference on Stuctural Mechanics Technology Volume C)
SOFTCOVER. Sticker to spine and inside cover, stamp to page block. Text is clean, tight and bright Ex - Library
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Wittmann, Folker H. (Editor) Nichols, Roy & Yagawa, Genki (Coordinators)
Fracture Mechanics and NDE (Transactions of the 9th International Conference on Stuctural Mechanics Technology Volume G)
SOFTCOVER. Sticker to spine and inside cover, stamp to page block. Text is clean, tight and bright Ex - Library
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Wittstein, G C
The Organic Constituents of Plants and Vegetable Substances and Their Chemical Analysis
M'carron Bird & Co 1878. This is an ex-library book and may have the usual library/used-book markings inside.This book has hardback covers. In poor condition suitable as a reading copy. 8vo. Cloth boards. Half leather. Gilt design on front cover. Gilt lettering on the backstrip. Heavy wear to covers and backstrip. Bumped corners. Front cover detached. Foxing. Internally clean. Tightly bound. Please note the Image in this listing is a stock photo and may not match the covers of the actual item650grams ISBN: M'carron, Bird & Co hardcover
Référence libraire : 9980982
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Wittstein, G.C
Vollständiges etymologisch-chemisches Handwörterbuch, mit Berücksichtigung d. Geschichte u. Literatur d. Chemie. Zugleich als synoptische Encyclopädie d. gesammten Chemie. Bd. 2 (M-Z).
München, Palm, 1847. 992 S. Spät. Hlwdbd. M. Rsign. Kanten teils minimal berieben. St. u. Sign. a. etwas stockfl. Tit.
Référence libraire : 168829
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Witty, W
Reaktionstechnische Aspekte d. Methangärung am Beispiel d. Vergärung v. Penicillinmycel. Diss.
München, 1984. M. mehr. Tab. u. zahlr. Abb. 5 Bl., 125 S.
Référence libraire : 820090
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Wißmann, C
Synthese u. spektroskopische Untersuchung cis, trans-isomerer Kumulene. Diss.
Berlin, (1983). M. zahlr. Tab. u. 48 Abb. 3 Bl., 207 S.
Référence libraire : 820089
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Wogrinz, A[lfred] u. J. Smelik
Die Untersuchung und Richtigstellung galvanotechnischer Bäder und die Erprobung galvanotechnischer Metallniederschläge.
Wien, Jugend u. Volk (1950). 116 S., mit 33 Abb. u. 5 Tabellen, OKart., geringe Gebrauchsspuren.
Référence libraire : NATW2372
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Wohler Friedrich, Grandeau L., Troost L.
Traite pratique d'analyse chimique
Gauthier-Villars, du bureau des longitudes, de l'école imperiale polytechnique. 1865. In-12. Relié. Bon état, Coins frottés, Dos satisfaisant, Quelques rousseurs. 323 pages. Quelques illustrations en noir et blanc, dans le texte + Une planche dépliante en fin d'ouvrage ( dessins technique en noir et blanc). Contreplats jaspés + 4 nerfs + fleurons, titre et auteur dorés au dos ( un peu passés car dos frotté). Divers tampons, sans conséquence sur la lecture. 3 photos disponibles.. . . . Classification Dewey : 540-Chimie et sciences connexes
Référence libraire : R200120173
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Wohlbier, Dr. F.H. (ed.)
Diffusion Data: Vol. 4, No. 1 (1970)
No dust jacket. Hardcover. Good condition. Ex-academic library. Library lettering and numbering on spine foot and title page. Library stamp on title page. Library pocket on front pastedown. One or two minor marks on boards. Slight bump on spine foot. Slight wear on leading corners. A few stains on page block. Page 316 is creased. Contents are clear. AF Ex-Library
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Wohlbier, Dr. F.H. (ed.)
Diffusion Data: Vol. 5, No. 1, 1971; Cumulative Index, Vols. 1-5
No dust jacket. Hardcover. Good condition. Ex-academic library. Library lettering and numbering on spine foot, page block and title page. Library stamp on title page. Library pocket on front pastedown. A few minor scores on rear board. Spine ends are a little bumped. One or two marks and stains on page block. Small mark on FEP. Binding is slightly visible near middle of volume. Contents are clear. AF Ex-Library
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Wohlbier, Dr. F.H. (ed.)
Diffusion Data: Vol. 7, No. 1, 1973
No dust jacket. Hardcover. Good condition. Ex-academic library. Library lettering and numbering on spine foot and title page. Library stamp on title page. Library label on FEP. One or two slight marks on boards. One or two small marks on page block. Binding is slightly visible at one or two points. Contents are clear. AF Ex-Library
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WOHLER, F und J LIEBIG - PIONEER WORK IN ORGANIC CHEMISTRY
Recherches sur la Nature de l'Acide Urique.
Paris Crochard 1838. Contemp. hcalf. Raised bands spine gilt. In: "Annales de Chimie et de Physique Par MM. Gay-Lussac et Arago." 2e Series Tome 68. 448 pp. entire volume offered. Wöhler & Liebig's paper: pp. 225-336. Clean and fine. small stamps to verso of titlepage. <br/><br/><em>First French edition of this importent paper in the development of organic chemistry. It is the last joint paper of importence from "these two men .pioneers in the development of organic chemistry form a twin constellation in the chemical firmament"Alexander Findley in "A Hundred Years of Chemistry" p. 23. The paper is a translation of "Untersuchungen über die Natur der Harnsäure" published at the same time in Justus Liebigs Annalen der Chemie 1838 Wöhler and Liebig collaborated on one more major piece of work a study of uric acid. The paper offered. Wöhler suggested the subject and the idea seems to have come from his medical interests. Uric acid was not easily obtainable–snake excrement was the only substantial source–and relationships with urea and allantoin were suspected by Wöhler. As a student he had won a prize in 1828 for an essay on the conversion in the human body of chemicals taken orally and excreted in urine. The technique adopted by Liebig and Wöhler was to subject uric acid ad the derivatives they prepared to oxidation and reduction by reagents of different concentrations and strengths. Wöhler seems to have been the first to heat reagents together in sealed glass tubes but after an explosion he thought metal ones safer.Their 100-page paper described fourteen new compounds and their preparation and analysis.7 An attempt to establish a new radical called "uril" C8N4O4 was less successful. Perhaps even more significant than the sophisticated practical and theoretical organic chemistry was the new spirit revealed. Writing to Berzelius in 1828 Wöhler was doubtful whether animal substances could be prepared in the laboratory. In 1832 he began the paper on the benzoyl radical with a description of organic chemistry as "the dark region of organic nature." But in 1838 his work with Liebig led him to write at Liebig’s suggestion: "The philosophy of chemistry will conclude from this work that it must be held not only as probable but as certain that all organic substances insofar as they no longer belong to the organism will be prepared in the laboratory. Sugar salicin morphine will be produced artificially. It is true that the route to these and products is not yet clear to us because the intermediaries from which these materials develop are still unknown but we shall learn to know them."DSB. </em> hardcover
Référence libraire : 48918
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WOHLER, F et J LIEBIG - THE DISCOVERY OF "EMULSIN" A MAIN WORK IN ORGANIC CHEMISTRY
Sur la Formation de l'Huile d'Amandes amères. Emploi d'un nouveau Médicament en place des Waux distillées du Laurier-Cerise ou d'Amandes amères proposé par. F. Woehler et J. Liebig.
Paris Crochard et Comp. 1837. Orig. printed wrappers. No backstrip. In: "Annales de Chimie et de Physique Par MM. Gay-Lussac et Arago." tome 64 Cahier 2 Fevrier 1837. Pp. 113-224. Entire issue offered with printed wrappers. Wöhler a. Liebig's papers: pp. 185-209 a. pp. 209-217. <br/><br/><em>First appearance of this classic paper in organic chemistry in which Wöhler and Liebig showed how Amygdalin could be decomposed by a vegetable emulsion the first example of a glycoside. The papers were issued at the same time in "Annalen der Physik und Chemie"."The conclusions which you have drawn from the investigation of bitter-almond oil" wrote Berzelius to Liebig and Wöhler "are certainly the most importent which have so far been reached in the domain of vegetable chemistry and give promise of shedding an unexpected light over this part of the science.The facts which you have set forth inspire such reflections that they may be regarded as the dawn of a new day in vegetable chemistry."Berzelius-Wöhler Briefwechsel."During the years that Liebig was preoccupied with the ether theory and with organic acids he also carried out two importent investigations with Wöhler. In october 1836 Wöhler wrote that he had discovered a way to transform amygdalin to oil of bitter almonds and hydrocyanid acis by distilling it with manganese and sulfuric acid and he invited Liebig to join in pursuing the topic. Two days later he made a more remarkable discovery. It had occurred to him that perhaps thetransformation of amygdalin could be effected by the albumin in the almonds in a manner similar to the action of yeast in sugar.Wöhler suspected that the decomposition was an example of what Berzelius had recently defined as catalysis. Liebig and Wöhler then divided up the detailed examination of the properties and composition of amygdalin. They precipitated from the emulsion of almonds a substance which when dissolved retain its action. They named the active substance "emulsion". Its effectiveness in very small quantities confirmed that it acted like yeast."DSB VIII p. 342. </em> unknown
Référence libraire : 48086
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WOHLER, F und J LIEBIG - THE DISCOVERY OF "EMULSIN" A MAIN WORK IN ORGANIC CHEMISTRY
Ueber die Bildung des Bittermandelöls. Vorschlag zur Einführung eines neuen Arzneimittels anstatt des destillirten Kirschlorbeer- und Bittermandelswassers. Ueber Marcet's Xanthic-Oxyd. 3 papers all by Wöhler u. Liebig.
Leipzig Johann Ambrosius Barth 1837. Without wrappers as issued in "Annalen der Physik und Chemie. Hrsg.von Poggendorff" Bd. 41 Zweites Stück. Entire issue No 6 offered. Titlepage to vol. 41. Pp. 225-448 a. 2 folded engraved plates. Wöhler & Liebig's papers: pp. 345-366 pp. 366-374 a. pp. 393-397. Clean and fine. <br/><br/><em>First appearance of this classic paper in organic chemistry in which Wöhler and Liebig showed how Amygdalin could be decomposed by a vegetable emulsion the first example of a glycoside."The conclusions which you have drawn from the investigation of bitter-almond oil" wrote Berzelius to Liebig and Wöhler "are certainly the most importent which have so far been reached in the domain of vegetable chemistry and give promise of shedding an unexpected light over this part of the science.The facts which you have set forth inspire such reflections that they may be regarded as the dawn of a new day in vegetable chemistry."Berzelius-Wöhler Briefwechsel."During the years that Liebig was preoccupied with the ether theory and with organic acids he also carried out two importent investigations with Wöhler. In october 1836 Wöhler wrote that he had discovered a way to transform amygdalin to oil of bitter almonds and hydrocyanid acis by distilling it with manganese and sulfuric acid and he invited Liebig to join in pursuing the topic. Two days later he made a more remarkable discovery. It had occurred to him that perhaps thetransformation of amygdalin could be effected by the albumin in the almonds in a manner similar to the action of yeast in sugar.Wöhler suspected that the decomposition was an example of what Berzelius had recently defined as catalysis. Liebig and Wöhler then divided up the detailed examination of the properties and composition of amygdalin. They precipitated from the emulsion of almonds a substance which when dissolved retain its action. They named the active substance "emulsion". Its effectiveness in very small quantities confirmed that it acted like yeast."DSB VIII p. 342. </em> unknown
Référence libraire : 43739
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WOHLER, FRIEDRICH - THE PREPATORY WORK OF ORGANIC CHEMISTRY
Bildung der Cyansäure auf neuem Wege und fernere Untersuchungen über die Cyansäure und deren Salze.
Leipzig Johann Ambrosius Barth 1823. 8vo. Contemp. hcalf. Gilt spine and with gilt lettering. Some scratches to spine. In: "Annalen der Physik und der Physikalischen Chemie. Hrsg. Ludwig Wilhelm Gilbert" Bd. 13 = Bd. 73 der Reihe. 12444 pp. 1 folded table and 5 engraved plates. Small stamp to verso of titlepages. Internally clean and fine. Wöhler's paper: pp. 157-172. <br/><br/><em>First printing of Wöhler's importent paper in which he in reality for the first time synthezised an organic substance leading to his historic preparation of "artificial" urea in 1828 "Ueber künstliche Bildung des Harnstoffs". This broke down the old distinction between organic and inorganic substances. "This was the first synthesis of an organic compound and this accomplishment is generally regarded as the beginning of organic chemistry."Sparrow "Milestones of Science" p.37 the 1828 paper."In his published paper the 1828 paper Wöhler referred to his work of 1823 the offered paper in which he had shown that cyanogen and aqueous ammonia yielded oxalic acid and a white crystalline solid that he now realized was urea. This and his new method he considered to be remarkable examples of the preparation "by art" of a substance of animal origin from inorganic materials."DSB.The volume contains other notable papers BECQUEREL: "Ueber die Electricitäts-Erregung durc Druck nach versuchen des herrn becquerel; ein bericht abgestatt. von Biot. Frei übersetzt von Gilbert" pp. 117-129. A pioneer paper on Piezoelectricity. SEEBECK "Notiz von neuen electrisch-magnetischen Versuchen des Herrn Seebeck. mitgeteilt von Hrn Oersted." pp. 430-32. Also papers by Heinr. Rose Döbereiner Lampadius Sertürner etc. etc. </em> unknown
Référence libraire : 49580
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