JOURNAL OF CHEMICAL EDUCATION
0 A TEXTBOOK OF QUANTITATIVE ANALYSIS detail and are a m p k in scope fol.rt texthook on elementary qu:~ntiprocedures, aeeompmied Andrew Patterson, Ir. and H e n r y C.Thomas, Associate Profes- tative analysis. Concisc Itthoi~ato~~y by notes, follow the theorct,iral discossiona in tho various ehapsors 01 Chemistry. YaleUnivezsity. Henry Holt and Co., New York, ters. The procedures and note8 at.? printed in bold-face type to 1952. di 500 pp. Illustrated. 14.5 X 21.5 cm. $4.25. facilitate reading. Unfort,unntrly, the larmulas in these soeTHE book is intended as a textbook for a first course in quanti- tions look somewhat odd hersuse thc nubscript numhers are not tative analysis. I t has heen written as a "teaching text" and in bold-face type although the symbols are. An ample suppl,v "not a compendium of laboratory procedures." The authors of standard procedures makes a choice available. About 00 problem^ are listed throughout the book with ahout have attempted to develop the suhject matter in a reasonable and logical manner, and in many instances in great detail. Thev half of them a t the end of the chapters on permangenate and acidifeel that the student can acquire an appreciation of this logic and metric titrations. A few of the fist problems have answers hut reasoning only by starting a t the very beginning of the hook and most are without. A ~ e p a r a t efour-page pamphlet listing formula weights, gravimetric faetora, atomic weights, and a fourreading it consecutively page by page. This manner of presentation of material, I would say, is the novel feature of the book. place logarithm table is available to accompany the text. CalBec:mse the material is presented in more or lees the order culations in the permangansto chapter are explained on the titer that the student needs the information, some unusual ar- basis. The concept of calculations by the normality system is rangements of material result,. As examples illustrating t h i ~ introduced in the ehrtptcr on acidimetric titmtians whieh follons immediately. Apparently this has heen done for expediency as point the following instances arc listed: First, in Chapter 2, entitled Volumetric Methods, Titrations with Permanganate, well as to instruct the student in the use of both methods of the following t,opics occur together in this chapter on volumetrip ealculations. The hook has been carefully planned and clearly written. analysis: ( I ) Titrations and standard solutions, (2) Analytical balance, (3) Technique of weighing, (4) Apparatus, (5) Accuracy However, it should be mentioned that both molecular and ionic and precision, (6) Titrations nith permanganate. Second, the equations have hcen used rather interchan&ably throughout the text. Also the appearance of some of the figures would be much discussion of the balance and weighing whieh ia begun in Chapter 2 is supplemented and completed in Chapter 6, Procedures improved if the originals had been drawn n i t h the thought in Used in Gravimetric Analysis, 20 pages being devoted to weight mind that there %,as to he reduction in size when printcd. On the wholo the hook ia a good one and will warrant careful esamcalibration and a discussion of neighing errors. Third, although ination by those who are in tho market for a good teaching toxt. the permanganate titration is discussed in Chapter 2, the thearetical treatment of oxidation-reduction together with the various R E X J. ROBINSON experimental oxidstion-reduction titrations other than permanU N I V E R ~ OI. ~ ~W TV ABHIN~ON ganate are found in Chapter 5, after treatment of aeidimetry in SEATTLE. WABXINOTON Chapter 3 and of precipitation and eomplex-forming titmtians in Chapter 4. However a very good index and the use of topic INTRODUCTORY GENERAL CHEMISTRY headings a t the top of the pages make it possible to find the material sought without difficulty. John E. Cavelfi, Professor of Chemistl.~, Allegheny College, The 100 pages devoted to gravimetric analysis follow the 200 MeadviUe, Pennsylvania. The Blaldston Co., New York, 1952. pages on volumetric analysis. Included in the section on gravi423 pp. SO figs. 9 tables. 16 X 23.5 cm. $4.50. metric analysis are discusbions on the preparation and properties of precipitates, 10 pages on precipitation of inner-complex comDR. CAVE~TI ~ I O ~ O B B "to S induce students to oonsidw the pounds, a chapter on procedures and techniques used in grsvi- subject as one whieh is assimilated as readily as the various metric analysis, and a chapter on various chemical separations branches of the humanities, as interesting as they are, and as such as are used in brass, silicates, etc. significant for an understanding of the temper of modern times.. . Colorimetry, photoelectric colorimetry, eleotrochemical analy- The aim has been to writo a rcsdable book. . .[for] students not sis, and polarography are discussed in a chapter, Some Physical necessarily intending to make chemistry their life work." Methods of Chemical Analysis. Forty-five pages have been The first chapter, Background of Chemistry, is followed by allotted to the first three topics and three pages to the last. what might be called a 'tool" chapter given to mea~urcments The theoretical discussions have been written in considerable and their units. The konaluding third of this chapter gives
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