VOL. 7, No. 11
RECENTBOOKS
authors have ful6lled their mission to a very marked degree. The sixty-seven experiments cover the field of general chemistry very thoroughly. The work on chemical arithmetic, covering 28 pages and placed a t the end of the experiments for the first semester, is very commendable. So frequently students in first-year chemistry have very hazy ideas of applying their knowledge of mathematics. The examples given should help t o clarify the minds of the students with regard t o the application of arithmetic to chemistry. In addition t o the comments made in the May, 1929, issue of THISJOURNAL, the reviewer thinks a perusal of this manual will he profitable even though the teacher is satisfied with the results he is obtaining with a different manual. The first 176 pages are intended t o b e covered in the first semester and the second portion, consisting of 160 pages, is intended t o be covered in the second semester. It would ~ e r h a o cause s less canfusion if the pages were numbered from 1 to 3:iR indead of in the manner indicated above. Clarity would also be improved if the parts were given from I t o V, instead of beginning the second semester's work with part I again. V. T. JACKSON UNIVBRSIN OF FLORIDA
GAINHSYILLE. ~ R
I D A
The Effects Of MOishm On and Physical Changes. J. W. SMITH,B.Sc.. Pn.D., University College. London. With an introduction by DR. .' G. Longmans, Green and CO.* London* New City* Toronto, 1929. xii 235 PP. 44 illustrations. 50 tables. 14 X 21.5 cm. Net price, $3.75.
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This book should prove t o be of the greatest value t o those interested in catalytic reactions and the physical properties of substances. Dr. Smith has attempted t o collect and carrelate dl the available data and theories relating t o intensely dried systems. The chapters, 24 in numher, take up in gasem order a general historical s-y,
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reactions, such as the classic C&OrCOz, HrCIrHCI. HTCkHzO, N G O ~ N O Iand , HCI-NHrNHCI systems, solid-gas reactions, reactions between solids, reactions in non-aqueous solutions, decomposition of solids, physical properties and intensive drying, influence of traces of other catalysts, influence of an electrical field, etc. Not only are the various theories well discussed and all available data given, but much of the experimental technic necessary t o success in such work is described in considerable detail. Dr. Smith is t o he commended for his able and much-needed -contribution in a little-understood field. MALCOLM M. HARINO
Die quantitative organkche Mikroanalyse. FRITZ PREGL,Dr.Med. und Dr. Phil. H.C., 0.0. Professor der Medicinischen Chemie und Vorstand des MedizinischChrmischen lnstituts an der Cmvcrsitiit Graz. Korroqmndierendes hIitplied ~ i s s e n x h a f t & in der ~ k a d e m i e Wien. Third edition, Julius Springer, 256 pp. Berlin. &rmany, 1930. xii 51 figs. 15.5 X 23 em. R M 19.80.
der
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A detailed review of the third edition of a book so well known as this one is unnecessary. The second edition was translated into both F m c h and English and a copy f, this mostimportant work i, to he found in practically all of the libraries of chemistry. The rapid growth of the use of the methods of quantitative organic microanalysis and developments in the methods themselves made the third edition desirable,
The third edition follows closely the plan of the second. Professor Pregl confines himself chiefly t o those methods of microanalysis which have been developed in his laboratory. The methods are dexribed in minute detail, so that the beginner can make progress without other assistance and the work is admirably written for use as a textbook. The historical discussion is more com-
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JOURNAL OF CHEMICAL EDUCATION
plete than in the second edition and some of this has been printed in small type. Various changes in the Pregl methods remmmended by other investigators are discussed and criticized. Many of the chapters have been almost completely rewritten and the following methods appear which are not given in the second edition: 1. The Determination of Mercury, Microelectrolysis. 2. The Microacetyl Determination. 3. The Determination of the Molecular Weight: (a) By the method of Rieche, b By the method of Rast, (6) Of liquids by the method of A. Soltys. 4. The Micropolarimeter of Emil Fischer. RALPHT. K. CORNWELL
N o w a m ~ a .1930
Organic Chemical Research,Dow Chemical Company, revised by WULIAMG. SMEATON, Professor of General and Physical Chemistry, University of Michigan. The Macmillan Company, 530 pp. New York City, 1930. x 17 figures. 19 X 13 cm. $1.60.
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The purpose of the manual is to provide a series of experiments which can be mcirdinated with any standard textbook on general chemistry. In the words of the authors, "By judicious selection from the experimental material offered, an instructor can organize a practical course of elementary general chemistry to meet any reasonable requirement." The twelve reprintings indicate that they have been very successful in accomplishing this purpose. The first chapter is taken up with detailed instructions for general laboratory procedures and practices. Chapters 11 to XVII contain experiments on the Kws ohshi (Neorganicheskoi) Khimi. common elements and their usual reCourse in Inorganic Chemistry. PROF. actions. with one chapter on ionization. B. N. MENSWTKIN. Third edition. Chapter XVIII gives a systematic scheme Gosudarstvennoe Tekhnicheskoe Isda- ' for the identification of negative radicals. telstvo, Moskva. 1930. 642 pages., Chanters XIX to XXVI outline experiIllustrated. 16.8 X 24.9 em. 3 ments on the metals, the arrangement being similar to that in qualitative rubles. 90 kopeks. analysis. The final chapter contains The author of this book is professm notes an qualitative analytical procedure a t the Polytechnic Institute a t Leningrad. and a diagrammatic scheme for theidentiHe is known to the readers of the fication of the cations. The appendix OF CHEMICAL EDUCATION heJOURNAL has seven tables of data for reference: cause of his article on Lomon6sov in I. Correction of Barometric Readings; the September, 1927, number. The third 11. Tension of Aquwns Vapor; 111. edition of his excellent and interesting Electromotive Series of the Metals; IV, textbook contains many diagrams, drawV, VI. Solnb'iities; VII. Degree of ings, and tables, and seventy-five porIonization, of Ionogens, Lists of Apparatraits of chemists among whom we note tus and Chemicals. Moseley in his soldier's uniform; three The pages are printed on but one side, Amerieans, Richards, Hall, and Langleaving the other blank for the remrd of muir; and nine Russians. Severgin. Loobservations, so that no notebook is mon6sov, Mendeleeff. Gess, Lovits, Yarequired. This is certainly a decided kobi. Klaus, Kumakov, and Tamman. advantage to both student and i n s t ~ ~ c t o r . TENNEY L. DAVIS However, in a number of experiments, MASMCmSBTTS INST-B OF TBCANOLOOY the space allowed for the record must CAIIBXDOB, MASS*Crm88TTS seem too limited to the average freshman. In the first chapter under general diLaboratory Manual of General Chemism. W n L m J. HALE, director, rections, some of the details might be
