JOURNAL OF CHEMICAL EDUCATION
54 search and technology of the intervening years. I t is larger by a third, despite the elimination of an entire chapter on Production and Consumption occasioned in part by the inzdequacy of recent world-wide statistical data. A greatly expanded and correspondingly mare useful table of contents is now provided, and further improvement has been effected in s. number of places by rearrangement of subject matter into more logical order within the chapters. The hundreds of literature references are carried as footnotes to the text and numbered serially within each chapter. Both author and subject indexes are provided. The book is of pleasing design and sturdy construction, conforming in all its physical features to the high standard set by the publishers far the series of monographs on Fsts and Oils of which this volume is one.
The remainder of the book is devoted to method8 of isotopic analysis of heavy water. Save far background material, this consists almost entirely of reports of original work. Experimental and computational procedures are presented in considerable detail. Nearly one half of the hook is devoted to irrotopie analyses by the mass spectrometer. In view of the current commercial availability of mam spectrometers, the considerable space devoted to construetionsl details of the mass spectrometers whioh were employed will probably be of little interest to those primarily interested in isotopic analyses. However, the procedurespreparation of samples, computations, edibrations, ete.-will still be of value. The remainder of the book irr lmgely devoted to analysis of heavy water for its deuterium content by specificgravity methods: ROBERT N. WENZEL in largest degree to the float method and to the falling drop WEBTINOBOVB.REBEARC.LABORATORI*B method. Pycnometric and refractometric procedures are also EABTP I ~ S B U R OPENNBILT*AIA A. discussed. Thie book will be of considerable interest and assistance to those interested in isotope reactions and will be of particular PRINCIPLES OF QUANTUM MECHANICS value to those concerned with istopic rtnalysis. I t must have William V. Houston, The Rice Institute. McGraw-Hill Book Co., beena rather difficult task torework the largenumber of wartime Inc., New York, 1951. vii 288 pp. Illustrated. 16 X 23.5 reports upon which the experimental portion of this book rests. The author is to he congratulated upon the success of his effort. cm. $6.
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FOR this beginning book in quantum mechanics, the author pruwpposes a knowledge of elementary mathematical physics, including mch things as vector analysis and electromagnetic theory. After a brief historical introduction he pmceeds, in the third chapter, to develop Schr6dinger's equations, including the effect of an eleetromttgnetic field. The problems that mu be solved exactly are then taken up. Perturbation theory and the variation method ttre followed by spin theory, one electron spectra, and two electron spectra. Collision problems then precede the electron theory of solids. The book ends with applications to electromagnetic theory. The book is well written and will he enjoyed by those who have the preparation which a. good graduate student in physics should have. Chemists will not find even the hydrogen molecule treated, but will find the book a valuable treatment of the fundamentals with many interesting physical examples. HENRY EYRING Uxrvn;nsmr ol U T * ~ SALTLAXZCITY.UTAH
PHYSICAL PROPERTIES AND ANALYSIS OF HEAVY WATER Isidor Kirshenbaum, Esso Laboratories, Standard Oil Develop ment Company. Edited hy Harold C. Urey, Institute for Nuclear Studies, University of Chicago, and George M. Murphy, Washington Square College, New York University. McGraw-Hill 438 pp. 150 figs. 15.5 Book Co., Inc., New York, 1951. xv X 23.5 cm. $5.25.
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THIS volume is one of the National Nuclear Energy Series (Manhattan Project Technical Section). Most of the volume is occupiel by description of original research which was performed during the war and which has now been declassified. The first chapter presents best values of an extensive list of physical properties of heavy water. Theseare based upon a critical survey of the literature supplemented by further experiments in cases where previous work appeared inconsistent or inaccurate. The second chapter presents values of equilibrium constants for hydrogen-isotope exchange reactions between hydrogen and water, hydrogen and ammonia, and oxygen-isotope exchange between carbon dioxide and water. The constants are computed by statistical mechanics from spectrosoapic data and checked experimentally. The last chapter deals with the natuml abundance of hydrogen and oxygen isotopes. Previous literature is critically surveyed and further experimental work is presented.
ROBERT L. BURWELL, IR. NOAT~WEBTERN UN~YERB~Y EVANBTON. ILLINOIS
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THE THEORY OF ISOTOPE SEPARATION AS APPLIED TO LARGE-SCALE PRODUCTION OF UPJs
Karl Cohen, Direotor, Atomic Energy Division, The H. K. Ferguson Company. Edited by George M. Murphv, Washinston Square College, New York University. Volume lB, Division 111, National Nuclear Energy Series, Manhattan Project, Technical 165 pp. Sedion. McGraw-Hill Bwk Co., Inc., 1951. xviii Illustrated. 16 X 23.5 cm. $2.
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THIS volume eummsrizes the theoretical work of tbe SAM Laboratories during the period from 1940 to 1945 relating to the centrifugal, electromagnetic, electrolytic, chemical exhmge, thermal diffusion, and distillation methods of separating isotopes. In the first five chapters, the theory of cascades is developed in as general a way as possible to permit extension to other types of separation prohlems. A discussion of application has been somewhat hamoered bv existine securitv restrictions. The book is entirely m'athematical a n d i n a te&nology that is strange to chemists. The obvious importance of the subject, however, makes it mandatory on departments of chemical engineering to become familiar with the theories of separations, and t o extend them to new developments. This book will be of aid in making this extension. LAURENCE S. FOSTER B s ~ ~ o m M ~, s s A o n n s e ~ ~ s
THE ALKALOIDS-CHEMISTRY VOLUME I1
AND PHYSIOLOGY.
Edited by R. H. F. Manske, Dominion Rubber Research Laboratory, Guelph, Ontario, Canada, and H. L. Holmes, Riker Laboratories, Inc., Los Angeles. Academic Press, Inc., New York, 587 pp. 16 X 23.5 cm. $14.50. 1952. viii
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ALEAL~IDS have been an attractive field of research for chemists since the early developmental days of organic chemistry. \\'ith nvw rraqmti, nrw synfI.rtir incrbodi, nnd n r w instmmrnrxl nnnl?tivnl pn,redurcs m.my of thc prohlprns which bamrrl invrstimr
