types, including partial and romplete miscibility in both the liquid and solid states, nnd the formation of both congruently n n d inrongrumt,ly melting compounds. An passing. In thc opinion of this revicwtv introdurtion on theory is followed by the purpose of an authoritative tcxthoak seven chapters illustrating various typps is the evaluation of those achievements of phase lhclmvior and threr rh;~ptrrson which experience seems t,o indicate to be sperifir alloy ~ystems. worthy of spccial consideration ior the Thp dilficulty encoontcrrd hy students less experienced. If thia position is ncof phase equilihria in onderstnntling tprcepted, volume 3 should have hoe" cornnary syatcms rcsults from the rxtrs diposed t o provido s better relationship brnimsion rcquircd lly the ndrlitional romtween the amount of revision of alder mnposition vnrinblr, Imt the author, an auterial which should have been nntlrrtakm thority in his firlrl, does a conunrndahlc and the shift t o newcr perspectivrs. jal, ofrlenring away thr mysteri~softhe tria n g u l x prism with rarrt'ully dmwn perspwtivr diagrams, aertians, and projertions. Thc exposition is rlenr and the 1:angusgr simple. Frequent pngr turning is svaided Ily t h r repetition of dingmnm. The dewription of actual systnns is, Ternary Systems underst,andal~ly, postponed until the G. Masing. Translated by l3 A. simpler, more id~alizrdtypes art: d ~ s r r i b ~ d , Rogers. Dovcr Pul,liextions, h e . , Npw sinre most a r t u d systems, especially with York, 1960. Originally published by mctals, combine many rornplnitiw at Reinhold Carp., 1!)14. v IT3 pp. oara. By intrlligrnt pernphmsing (e.g. Figs. and tables. 14 X 21 em. P R ~ P I . - replacing the wards 'solid' l)y 'liq~~id', honnd. 81.45. 'liquid' I,y 'v:tpor3, 'mclting' I,$ .hniling3, 'crystnllisstinn' by 'rondonsstion', ptr.) This is a reprodnrtion of t,hr English Chaptrrs I , 2, :3, 5, 6, and 8 ma>- all hetrsnslation whieh ; L ~ ~ P I L IinP ~1944, "11rr..zd with profit by t h o s ~who i h h to altered excopt for its cover and price. lrarn of t,he 11ha.s~'r&~tionsof liquid-v:qior TVhilr written wit,h t,ha met,nllurgiat in cquilihria. herausc of the rrtensivc but mind, the principle8 which i t epoonds are often overlooked r~nalagicshetween meltthose of ternar,v qysbems in general, ing and vaporization, and the ronseqwnt whether metallic or not. The author ssidcntity of diagram types. sumes that t,he reader already hss n good .4s stated by an earlier reviewer (sep working krlowledge of phase equilibria in THIS J 22, 204 (1945)) Inore binary .systems. Phase h~havior is desrrihrd for solid-liquid equilihrin af many
BOOK REVIEWS
+
A848 / Journal o f Chemicol Edvcotion
BOOK REVIEWS p~
might have been said of the impact on ternary behavior of the presence of an incongruently melting compound in one of the binary systems. It may be painted out that the term 'monotectic' (p. 10i) to describe an invariant equilibrium of the type L , a S L in a binary system, is contrary to the usage of certain other investigators, who apply the term to a binary eutectic in which the invariant liquid has virtually the same composition as one of the two solid phases. Anyone interested in gaining a n understanding of ternary phase equilibria, will do well to acquire this standard work, n e d y available a t about one-third of the original price in this colorful paperback printing. One can hardly blame the publisher for including some ten pages of advertising! NORMAN 0. SMITH
+
Fo~dhamUniuersitg New I'ork, New York Modern Chemical Pmcerses.
Volume
6
Editor8 of Industrial and Engineering Chemistry. Reinhold Publishing Corp., Rew York, 1961. 126 pp. Figs. and tables. 21 X 29 cm. $6. Current and reliable process information is often difficult to 6nd; yet such information is most helpful in student trainingand in making better instructors. The series of papers authored by I/EC editors in collaboration with industrial representatives has aided significantly in providing auch information. Volume 6 is the collection of those 17 papers originally published in 1958 and 1959 issues of Industrial end Engineering Chemistry. The present volume continues in the excellent tradition established by earlier ones. The I j E C editors are to be congratulated for choosing a. wide variety of processes, although the emphasis is perhaps too strong on organic technology. Many of the 11 organic prooesses e m he roughly oategoriaed as pet,rochemical, hut three involve use of wood, cotton, and f a t derivatives. Only three inorganic processes are described, and three others involve both organic and inorganic chemistry (the preparation of silicones, Grignard reagents, and phosphate insecticides). Flowsheet and operating conditions are reported far each process. Several papers can perhaps, a t fimt thought, be criticized for failure to present more details. Further thought by the reader will probably convince him thht he should be thankful that this much information v a s published about the preparation of a highly competitive chemical. Process details for preparation of two types of catalysts are most welcome. I t is gratifying that two processes are reported for manufacturing relatively small amounts of specialty products. Excellent discussions are given in several papers about plant location, integration of process within plant and company, required flexibility and safety of operation: and eco(Continued a page A852)
A850
/
l o u r n d of Chemical Educntion
