Organic analytical reagents. - Journal of Chemical Education (ACS

Organic analytical reagents. John H. Yoe. J. Chem. Educ. , 1948, 25 (3), p 178. DOI: 10.1021/ed025p178.2. Publication Date: March 1948. Cite this:J. C...
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JOURNAL OF CHEMICAL EDUCATION

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THE CHEMISTRY OF THE CARBON COMPOUNDS VOLUME IV: THE HETEROCYCLIC COMPOUNDS

Victor von Richter. Edited by Richard Anschutz. Newly translated by M, F. Darken and A. I. Mee. Third English Edition. Elsevier Publishing Company. Inc., New Yo& 1947. xv +498 pp. 14 X 21.5 cm. $15.

possible, rather than to Chemisches Zentralblalt. The treatment of heterocyclic compounds, while not exhaustive, is surely varied, extensive, ?nd representative. The section on free radicaLs is modern and oomprehensive. The index is detailed, adequate, .,,ddireotive, While it must be l~dmittedthat book publishers are still bothered with numerous wartime scarcities and restrictions. it is unfortunate that the quality of the paper and binding is not an a par with the contents of this book. In fact, sevewl noticeable variations in the color, texture, and weight of the paper used are in this single volume.

series, is a literal voLrrnre m,the last of this translation from the twelfth German Edition. with the outbreak of world w a r 11 the publishers were faced with the difficult prohlem of deciding whether to discontinue publication of the translation and revision of the twelfth German RALPH.E. DUNBAR Edition with Volume I1 of the series or to complete the series NO,,^ D*=OTA AABRIOOLTDB~L COLLEB. with a literal transhtion from the German. The latter proFAROO. NORTH DAKOTA cedure was followed for Volume I11 and apparently was approved by the majority of reviewers despite the many short ORGANIC ANALYTICAL W G E N T S comings. This fourth volume likewise completes the literal translationof the remaining parts of the GermanLset. Frank I. W e l d e r , Associate Professor of Chemistry, Indiana This fourth volume deals with "Heterocyclic Compounds," Ufiversity, Extansion Di.,ision. D. Van Nostrand Company, which constituted Volume I11 of the original German set and New york, 1947. Volume 111. xi + 593 pp. 111 tahles. 1s x "Free Radioah," a p u t of Volume 11, Part 2, of the Same Ger- 23 $8. ($7 r . .. set .rice ~ - e volume). man original. [See THISJOURNAL, 23, 520 (1946).] . THISIS the third volume in a set of four books which "bring The user will find this completed series of four English volumes to be a concise and comprehensive inventory of the most im- together all known information on the organic analytical r e portant organic chemical compounds. References again are agents." The compounds are systematicdly arranged by their given to the original journals with authors' names added where chemical structure and detailed directions are given for every

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method of determination for which each reagent has been reported. References to the original literature are listed after each reagent. The arrangement and style of treatment in Volume I11 are the same as in the preceding volumes. Far reviews of 24, 364, 519 (1947). Volumes I and 11, see THISJOURNAL, Volume 111contains 19 chapters, covering the following topics: pyridine and its derivatives (Chapter I, 48 pages), quinoline and quinoline derivatives (Chapter 11, 15 pages), dipyridvl and related compounds (Chapter 111, 41 pages), pyrazolone derivatives (Chapter IV, 12 pages), miscellaneaus heterocyclic nitrogen compounds (Chapter V, 37 pages), the dioximes (Chapter VI, 80 pages), acyloin oximes (Chapter VII, 15 pages), hydroxyoximes (Chapter VIII, 20 pages), monoximes of diketones (Chapter IX, 5 pages), isonitroso compounds (Chapter X, 13 pages), isonitroso phenols (Chapter XI, 49 pages), miscellaneous oximes (Chapter XII, 16 pages), cupferron and neocupferron (Chapter XIII, 49 pages), uitroso amines (Chapter XIV, 8 pages), rhodanine and its derivatives (ChapterXV, 15pages), osrbaeides, thiocarbadiaes, and semicrtrbadizes (Chapter XVI, 24 pages), carba~ones(Chapter XVII, 9 psges), thiocsrbeeones (Chapter XVIII, 90 pages), and miscellaneous imino compounds (Chapter XIX, 25 pages). The volume conoludes with an index of names and synonyms of the organic reagents treated in the text, and one on their uses, the oompounds being listed alphabetically under the element or radical for which they are employed in analytical procedures. Volume 111, together with the three others in the series, will make a useful reference source for all who have occasion to make chemical analyses. JOHN R. YOE Umv~asmror Vmazm* Ca*monmvlL=m Vraorlrrn

SMALL WONDER-THE

since 1923; and we, in this country, have issued the Colloid Symposium Monographs annually since 1923. Since the author mcntions a number of names of scientists specificrtlly,it must also be pointed out that he has overlooked the names of such people as Freundlich. Weiser. Holmes. v. Weimam. Duelertux. and Houwink, only 'to mention a few,'all of whom must be conkidered pioneers in this branch of natural science. With the reservations pointed out above, the reviewer nevertheless hopes that t,his hook will accomplish one purpose, namely to arouse the interest of the general public in this world of dimensions which has been overlooked so long. Then the colloid chemist will be in a better position than he is today to make his contributions of more general value. ERNST A. HAUSER MABBACAUS~TTB INSTITUTE OF TBO~NOLOL~Y C*uamoae. M * s s a c a o a ~ ~ ~ s

CHEMICAL PROCESS PRINCIPLES. modynamics

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Gessner G. Hawley. Wred A. Knopf, New York, 1947. 220 pp. 53.50. has attempted with this book to e x p l b to "those THEA-OR who have the curiosity but lack the time to study more erudite treatises" what the term 'colloid' actually implies. This is unquestionably a very worthy and very timely undertaking. From the point of view of the teacher in chemistry or physics, however, the book does not seem acceptable without some reservations, the most important one being that it should not be used as reading matter in science courses at either the high-school or the university level. The main reason for this criticism is that the reader who has not the background needed to realize that this book is written for the layman, might get an entirely wrong understanding of the fundamentals of colloid chemistry. This refers quite specifically to the way the author has defined colloids, how he has discussed the history of this branch of chemistry, ,how he has attempted to explain many of their specific properties, and his explanition of the way many of these have been successfully appliedinindustry. Afurtber objection must be voiced from the ooint of view of a colloid chemist to the elaborate discussion given on the electron microscope and its use and the lack of any wirthwhile discussion of the application of ultra microscopy and other tools specific for matter present in the colloidal range of dimensions. One other point: To the uninformed reader, it would appear that praoticdly every important contribution to colloid chemistry, including the development of the electron microscope, was made in the United States of America. I t might be well to point out here that science is still an international field of endeavor, and, with d l due respect to our own contributions, we must admit that the pioneer contributions to colloid chemistry, as well as the development of the electron microscope, were made on the European continent. This refers also to the statement that the first periodical devoted exclusively to colloid chemistry is the Journal qf Colldd Sciaee, which appeared for the f i s t time in Jan-, 1946. The Germans had two periodicals devoted in itheir entirety to colloid chemistry, since 1906; the French, one,

II: Ther-

Olaf A. Hougen and Kenneth M. Watson, professors of Chemical Engineering, University of Wisconsin. John Wiley and Sons, Inc., New Yak, 1947. xlviii f 3 6 8 pp. 64 figs. 14 22 om.,

5s. THIS VOLUME is the second part of a series under the title of Chemical Process Principles," in which Part I covers Material and Energy Balances, Part I1 covers Thermodynamics, and Part I11 covers Kinetics and Catalysis, reviewed in THISJOURNAL 25, 1 (1948). The pagination is continuous throughout the three parts so that Part I1 contains Chapters 11 to 17 and pages 437 t o 804. The index is for all three ~- oart,s. Part I1 as a tcvt for t h rmodynn~rucsfur chemical engineering students cart hc vicwcd assuch onlv by considering Parts I and I1 together. Part I contains most of the nhaterid dealing with the fir61 Isw, cncrgy balances, thcrmophvaics, t l ~ c r ~ ~ ~ ~ ~ u l ~ r m i s t r y , xnd thrir applirntion to industrinl processes at aum,sphrrie prer sure. The seven vhnoteri in Pnrt I1 den1 with tlwrmudvuumic principles, thermody&nic properties of fluids, expansibn and compression of fluids, thermodynamics of solution, physical equilibrium, chemical equilibrium, and thermodynamic properties from molecular structure. The chapter on thermodynamic principles opens with a discussion of reversibility and the second law, develops the concept of entrap,", and introduuw the rhcrmodynsmic cocrgy functillus, OiLbs' her cuprey (now dtsiwared by G in accordance with .I. 3. A. and A. I. Ch. E. ~tandurdn),and total work function. The relationships among the thermodynamic energy functions and reference functions are derived after a, short explanation of exact diiIercntial equations. Shaw's method using Jaeobisns is cupl3i~rvrl. Thc propertic3 01 nrulal ~ : t s warc explained briefly by 1l.c van dcr \\'ask equation bur thrir thermodynamic properties are developed in terms of the compressibility factor, Z . The law of corresponding states has been used to derive a series of equations which allow the values of heat ertpacity, enthalpy, and entropy a t high pressures to be calculated from the generalized Z chart and the reduced temperature and oressure. (Such charts are &en in 8Ilr ~-a . - X ll-inch size in SCpRrRtC publication. "Cheuical Process l'rinviplw Chnna.", Although 1 hc maximum errors (page 518) in sucL chwts may be up to 32 per cent, which would appall nun? a tl~ermoJynnmist, the i,hrm~cnlcnginccr apprcrintci having availablr il group of corrclntionr thsr will mnblc him to r:~lculatcthc magq.itude of the emwr on thcrmod\nnmir functions of the high rxcssures he must use in his equipment to force the chemical r&tions to give commercial results. Those familiar with the mechanical eneineer's aooroaeh 60 *he expansmn and compression of fluids will look in vain for the polytropic coefficient. Again the generalized charts have been used to evaluate the changes in the thermodynamic properties of the actual gas passing from one state to another. The Carnot cycle is not introduced until this chapter and plays only a minor role in the development of thermodynamic reasoning based ~~

STORYOF COLLODS

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