Taw are of general interest t o chemical engineers: membrane permeation and alsthration; and a chapter on centrifugal compressors should be of general interest made cumulative for all the volumes. t o mechanical engineers. A ehapter on Since any compound consists of two or carbon-silicon compounds should appeal t o more elements, the cross-references which chemists, and four others-an netane now appear at the beginning of each ratings, pyrolysis operations, grease teehehapter are another new and helpful nology, and suliur production from natural feature. Systematic nomenclature is gases-huuld be of interest t o petroleum strictly adhered to, and largely because technologists. of the influence and mthority of this The chapters an membrane permeation series, namcri such as sodium hydrogen and clathration are general discussions of carbonate (NaHCOa) and lithium tetrathese two new separation processes. They hydroaluminate (LiAIH,) m;ly in time should be useful references for new workers lose mueh of t,heir strangeness. in these fields, and they may also be of I n view oi the accelerated pace of interest to established workers, who will inorganic research in recent years, i t is find a compilation of references in emh hoped that this excellent series will appear field. st more frequent intervals. l h . IileinThe chapter on oentrifugal rompressors berg and his editorial board are to he appears to be a thorough discussion of the congratulated for producing a scholarly, subject, and should he helpful t o any accurate, and extremely valuable volume interested engineer who is not. welli. t,hat maintains the high standards set by acquainted with the principles involved its predecessors. in t,heir design and operation. SurGEORGEB. KAUFFMAN prisingly, no references me cited; consequently, this chapter will probably not F m n o Stale College he of mueh use t o those who are active in Fresno, (hlifornza the field. The ehapter on carhon-silicon eompounds is a survey of methods for manuAdvancer in Petroleum Chemistry and facturing these interesting chemicals, Refining. Volume6 whose use has grown rapidly. Forty-nine references are cited. Edited by John J . MeKella, Jr., UniverThe chapter on octane ratings describes sit,y of Texas, Austin. rvi 550 pp. research, motet., and road ratings and Figs. and tnbles. 16 X 23.5 em. $21. their interrelat,ionships, discusses t,heir Like other volumes of this series this accuracy, and considers the problems of nnc. is n potpourri of terhn~ralsubjects. calculating the ratings of blends. It,
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lourrml of Chemical Education
should he of us? t o those who use octane ratings but who have not had much experience in developing basic octane data. The ehapter on pyrolysis appears t o fill a void in petroleum technology; as the authors indicate, heretofore there have been few quantitative pyrolysis data (or correlations) in the literature. To fill this void, the authors present correlations for thermal cracking, for visbreaking, and for thermal reforming of various feed stocks, together with samples of how t o use them. The oorrelatians, whir,h are based on "published and unpublished data," inrlude no data points, presumably because the data had to he adjusted t o common r:onditians before they oruld be correlated. The chapter on greases sunrmariaes grease dcvrlopments in the last two decades, during which the technology has changed greatly. The various greases developed in this period are desrrihed, methods of manufacture are disrurised briefly, and testing procedures are outlined. The chapter an sulfur recovery ft.om natural gases surveys the extensive literature on the subject (632 references a r t cited) and discusses the operations of two commercial plants, one "old" and one modern. This chapter should he of interest to anyone who is concernrd with the design or operation of sulfur rerovery plants. As ~ i t hmost hooks of this type, no. general recommendation can he made
(Conlintced on page $53.7)
BOOK REVIEWS -
rmcerning this volume. I t probably should IR included in university libraries where petroleum engineering is offered. For other cases, t h e librarian should decide on the basis of the possible utility of the several chapters.
Historical Roots of the Principle of the Conservation of Energy
E m i n N. Hiebert. The State Historical Society uf Wisconsin, Madison, 1062. 118 pp. Fignrrs. 15.5 X 23 rm. 83.50. Tllr history of the d e v e l o p ~ n ~ nof t a theorv or principle is often of equal or greater intrrrst and importance than the biography of a n eminent scientist or the story l ) f the discovery and progr~ssive applirntion of a. widely used material. I n gpnrml, however, i t is more difficult t o produce ,z competent and acrurntc acrount in tlw former case since the author must not only be familiar with the writings that bear on topic but Ire must also be ahle t o extract the essence of bhese writings and link thom with what w m t before and what came after. T h r monograph under review here is devoted essentially t o tracing the hiistoricd roots of t,he principle of consrrvation of energy within tlw framework of th? scimce of rn~chsnirsproper.
Rogers' Inorganic Chemistry
After a n excellent Introductim, the m t h o r presents his work in three chapters: Concept of Virtual Work; Qnsntity of Motion; Latent Forces of Inelastic Collision. The final chaptw (Conelusions) opens with the statement: T h e r modynamics owes its origin t o the fertile synthesis of mechanics and heat theory which took place in the middle of the nineteenth century. A comprehensive understanding of the historical circumstances leading t o the synthesis necessarily presupposes considerable familiarity with the status of heat theory and nlechanics sntecedent t o the emergence of thermodynamics as a separate discipline. This st,udy explores certain asperts of the history of mechanics which were essential tn the establishment of tlmmudynnrnics in the nineteentll century." The treatment is nonmatlwmatieal; there are 15 simple but, pertinent diagrams. The book reads smoothly and t,lw translated excerpbs are well done. The bibliography is divided into "primary" sources (43 entries) and "secandnn." sources ( 4 5 entries) in a number of languages. The index is adequate. Obviously this historical monograph will appeal mostly to teachers and graduate st,udents of physics; it ofters little t h a t will interest t,he great majority of chemists. I t is recommended to physical chemists, particularly thosr concerned with thermodynamirs and the history of its elements.
Tailo 0. Soine, University of Minnesota, Minneapolis, and Charles 0. Cl'il.~on, Oregon State University, Corvallis. i t h ed. Lea s n d Fehiger Publishers, Philadelphin, 1961. 704 pp. Tahles, 16 X 24 cm. $10,
RAr.m E. OESPER Uniuernity of Cincinnati Cincinnati, Ohio
Pharmaceutical
This new edition, which conforms to standards of the URP XVI and the X.F. XI, maintains thp high standards set by the authors in the previous edit,ions. Tlke publishers have gotten away from the glossy paper thereby making the trxt rasiet. to rend hy artificial light. Much of the descriptive material which was found in the earlier editions, i.e., that had been taken from the USP and the N.F., has been dokted in this edition. I n addition, the first chapter has heen rewritten t o include information on atomic structure and the nature of the chemical bond. The chapter on solubility has been expanded greatly in keeping with more recent information on this suhject, permitting the student to understand more theory and therefor? to be s h l ~ t o make wise predictions concerning the solubility of drug constituents in the various dosage forms. The discossion on radioactivity has alao been expanded. Throughout the text the material has been presented on a much higher level, wlrielr is in keeping with the requirements in the expanded pharmaceutical curriculum. This volume contains a wealth of information on inorganic chemicals (Continued on page A5341
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