Recent Books
Treatise on Physical Chemistry. HUGH S. TAYLOR, D.Sc., editor, DavidB. Jones Professor of Chemistry, Princeton University, Princeton, N. J. Second edition, D. Van Nostrand Company, Inc., New York City, 1931. 2 Volumes. Vol. 1, xv 852 48 pp.: Vol. 2, xii 1766 48 pp. 15 X 22.5 cm. Volumes not sold separately. $15.00.
is not discussed anywhere in the two volumes. This is unfortunate as there is still much to be learned from it. Dr. Webb has collaborated with Dr. Rodebush in writing Chapter XVII. Dr. Taylor has enlarged his chapter on "Photochemistry" by twenty-five per cent. The Chapter an "Infra-Red Radiation in Chemical Processes" has been doubled The second edition of this wd-known in size. I n this second edition the chapwork has been enlarged over thirtyave ter on "Colloids" has been written by per cent. This gives some idea of the Dr. E. 0. Kraemer. It has been exincrease in knowledge of the subject panded from 44 to 156 pages. The quantreated therein during the last five years. titative aspects are considered mare fully It also furnishes some conception of the and the recent developments thoroughly task confronting the contributors to this discussed. The chapters not mentioned have been in nearly every case carefully coaperative effort. The first notable change is to be found revised and somewhat enlarged. As in the previous edition, the binding in Chapters 111 and IV on "The Kinetic and printing are excellent. The indices Theorv of Gases and Liouids" and "Imare easy t o use and very full. The illusperfect Gases and the ~ i q u i dState." written bv ~ r s .Henfeld and small- trations are numerous and there are three wood, they require together no less than excellent halftone photographic reproduc177 pages representing an increase of 100 tions. The references are exceedingly pages, q-hose wishing a detailed dis. abundant. For one man to criticize adcussion of the kinetic theory will find i t versely such a work would verge on the here. The chapter on "ThermochemPresumptuous. Suffice it to say that no &tryn has been enlarged about teacher of chemistry, research chemist per cent. chapter XII, - ~ ~b l ~ ~ or ~ advanced t ~ ~ student . can afford not to of solutions,,* has been moved have this "Treatise" a t his elbow. M-OLM M. HARING forward to Volume I. Considerable new material has been inU N I ~ R S I Tow Y MAan*Nn COLL~O PABE. B MD. coworated in the chapter on electrometric methods. Dr. Urey has collabochapterColloid Symposium Monograph. Papers rated with D=. ~i~~ in presented a t the Eighth Symposium XIV. The Chapter on "Reaction Velocity in Heterogeneous Systems" has been On CD1loid IJni. chapter versity, June, 1930. Edited by H A W expanded. D ~ ~~~h~~~~ BOYERW~ISER. Professor of Chemistry, and Atomic Struftureu The Rice Institute. The Journd of has been enlarged to 278 pages. It forPhysical Chemislry, 654 Madison Avemerly required 126 pages, Of special interestin the way new material is nue, New York, N. Y.. 1931. 422 PP. his discussion of the newer work on the 16' figs' l7 26'5 s2.00; without author and subject indexes, nature of the electron, etc, In spite of $1.50. this great enlargement, i t has been found necessary to omit any discussion of the This volume serves to collect under Lewis-Langmuir atom model. I n fact it one cover the twenty-eight papers read 772
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VOL.8, NO. 4
773
RECENT BOOKS
on Tiipfelanalyse, by DR.FRITZ FBIGL, a t the Eighth Colloid Symposium. The Privatdozent, University of Vienna. exceedingly wide smpe of the studies J. F. Bergmanu, Miinchen, Germany. made in the field of wlloid chemistry is 1931. xii 157 pp. 83 figs. 15 X rdected in the diversity of topics touched 23.5 cm. Rm. 12.80. upon by the papers in this Monograph. One finds studies of such fundamental I n the first few lines of the preface of problems as coagulation, stabilization. the first edition of "Mikrochemisches adsorption, optical properties, determina- Praktikum," Emich forecasts the more tion of particle size, ultra filtration, swell- general use of microchemical methods: ing, electrical phenomena, and other "I believe the time is not far off when papers dealing with applications of col- we must demand from the majority of loid chemistry to numerous fields, among our younger professional colleagues a cerwhich are photography, anesthesia, be- tain familiarity with these (micro) methhavior of clays and of paints, and the ods." Micro methods will never entirely removal of carbon monoxide from auto- replace macro methods, but their use is mobile exhaust gases. increasing rapidly, and there are times That scientific knowledge is accumulat- when they are absolutely indispensable. ing a t a tremendous rate is apparent to The appearance of the second edition every student of any branch of science. of Emich's "Microchemical Practice" is, The publication of the increasingly large therefore, very timely, as it includes a amount of work being done in colloid description of the absolutely necessary, chemistry performs a valuable function as distinguished from the desirable, equipin the training of chemists. On the one ment of the microchemical laboratory, band, the multiplicity of subjects c o w e d and also a discussion of the methods will arouse in the student a keen apprecia- available for carrying out any operations tion of the magnitude of the field of likely to be encountered. chemical knowledge, yet, an the other Part I of the book is devoted to aphand, the emphasis which is made in paratus and methods, and is subdivided studies of colloids on phenomena oc- into sections A and B, the former dealing curring a t interfaes will offer him a with qualitative and the latter with quanbasis for wrrelating and rationalizing the titative methods. multitude of facts with which he must deal. Part I1 includes many laboratory exerThe series of Colloid Symposium Mono- cises, and provides the student with graphs constitutes a valuable part of the laboratory directions wbich should give literature of colloids and this latest volume him a good knowledge of the micro reacwill find its place on library shelves to aid tions of the wmmon inorganic cations the student in his task. Its value as a and anions, and a training in the more reference is marred to some a t e u t by the common procedures of analytical and synoccurrence of five emoneous page refer. thetic organic microchemistry. As the ences in the table of contents and a t least title states, the hook does not cover the some of these errors are repeated in both same field as does Pregl's "Quantitative the author and subject indexes. Never. Organic Micmanalysis." The short section by Dr. Fritz Feigl theless, taken as a whole, this volume is a serves well t o introduce a very useful contribution of great value. S. AUAN LOUGH method of analysis, which, for lack of a bettu name, might be called "drop analyUNIVBRSITV DP NBVAD* Rsso, NBVAD* sis." Included are a general description of the aims and technic of the method. Mikrochemisches PraMikum. F. EmCH, and a number of laboratory experiments . which the student may acquaint himProfessor a t the Techniscbe Hochscbule, bv Graz. Second edition. With a section self with some of the common operations.
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